DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works
Transaction details
APITransaction action
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS (METRO MANILA 3RD ED Award a ₱48.0M contract to AYLAN CONSTRUCTION AND TRADINGNational agencies
Transaction hash:
45bbc9492ed2ca494e8a8e4b3c58b38d83172c8e359efbf484eb4654170c0fcf
Status:
Included and unchanged
Block:
#5,854 159 blocks after it
Position in block:
Transaction 267 of 1,124
Award day:
May 19, 2025 (1 yr 5 mo ago)
Value:
₱48,013,928.43
Project:
25OD0179
Full record:
Accountability
Bill Sec. 3 and 19Responsible agency:
Accountable officer:
Not stated in the source. PhilGEPS does not publish who certified the award.
Certification:
Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.
Demo signature:
Block #5,854 signature valid Demo key, proves nothing about the governmentPublic key
Linked records: from budget to payment
Bill Sec. 5- 1. AppropriationGAA line item · Sec. 5(b)The award does not say which budget line pays for it.Not published
- 2. Allotment releaseSARO / allotment · Sec. 5(c)(iii)Not published per project. DBM releases SAROs, but not linked to individual contracts.Not published
- 3. Cash allocationNotice of Cash Allocation · Sec. 5(c)(iv)Not published per project.Not published
- 4. Contract awardNotice of Award (PhilGEPS) · Sec. 5(d)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS (METRO MANILA 3RD ED awarded it to AYLAN CONSTRUCTION AND TRADING on 2025-05-19.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 6. PaymentDisbursement voucher · Sec. 5(c)(viii)Not published. No public source shows how much of this contract has been paid.Not published
- 7. CompletionCertificate of completion · Sec. 5(d)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 partly. Under CADENA every step would be published within 7 working days and linked to this record.
Tamper test: try changing this record
DemoEdit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.
- 1. Record fingerprint changedstored 45bbc9492e…0c0fcfnow …
- 2. Block Merkle root changedstored 53aed54323…68e353now …
- 3. Block #5854 hash changedstored ca05933deb…fc38f6now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (11 steps)
How this one record is tied to the block's Merkle root, without needing the other 1,123 records. Each step hashes the current value together with the sibling shown.
- leaf 45bbc9492ed2ca494e8a8e4b3c58b38d83172c8e359efbf484eb4654170c0fcf
- 01 L 45b86969b63e15cbf5459ab2056fe72055b89bab6869b1797d77c89a78816f57
- 02 L a958e5bc6a052f48319c524fdcb2f63dbf65d61f8b32e965e791163dc06c7791
- 03 R 34bf223aadcba2a381d16dcdadbba5fec1a669a6ce714e48cfb0cf6cab95d85d
- 04 L 576297d8351627f1118eb9625905e63e8d59e0d130227287930ad1943cc3ef3c
- 05 R 8b600c7a2c18c757da47950f4cf7fd05aba257477c265ede6f7e68f24d073499
- 06 R a44e1814d2e6f3f54d47aa952cc8d7ee6dd0ee2c98bd385dbedd42dc330a667e
- 07 R d18e6a6a5ed5df54919bf6e9dea85ba30372f672fb499bc0915b8cb75996895e
- 08 R 49b2b8a8ae72517910bbe93022c9555aa8521c9132bf38e769717491d26cb472
- 09 L 5810c82c57682050eae658791970d1a6e497e4f597a1d0cbf2551dfb62224216
- 10 R de1b38337580bbd92bcfeaa92097de6af0dbc554c0be40efaeeb0e7957d09df5
- 11 R e5ab6177e27c508f19cd5368bf8712711bcb628885cde08f0f1c893c38f7cd97
- root 53aed5432305c108e98f1b96f1e62a10356e68ea3f7885437f72c9357d68e353