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 - REGION II Award a ₱14.0M contract to JANN-NORRIS CONSTRUCTION AND SUPPLIES, INC.National agencies
Transaction hash:
df00e23b5e47fcb6cbb598efda73cf41d338906b6b08f0a3c8395bbb9bd4f5d9
Status:
Included and unchanged
Block:
#5,888 125 blocks after it
Position in block:
Transaction 617 of 694
Award day:
Jun 23, 2025 (1 yr 4 mo ago)
Value:
₱14,040,527.32
Project:
25B00075
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 #5,888 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 - REGION II awarded it to JANN-NORRIS CONSTRUCTION AND SUPPLIES, INC. on 2025-06-23.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 df00e23b5e…d4f5d9now …
- 2. Block Merkle root changedstored 215c4ec053…c6aae9now …
- 3. Block #5888 hash changedstored e64ca20933…14f88fnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 693 records. Each step hashes the current value together with the sibling shown.
- leaf df00e23b5e47fcb6cbb598efda73cf41d338906b6b08f0a3c8395bbb9bd4f5d9
- 01 L de9fb68fcf310b90138ace610bdb3484a15016122c54be6a72dcf9cac708eb02
- 02 R 882b4a057078013a8c665893621562a82a689cf3f17d64020eb1642ad74eb8fe
- 03 R d8a8139cfb5f8c64a40bc869c9b6922a57e00e2a38abf135793edcf51c9f8d1b
- 04 L 43bb6c41a1e71f950b238898fade387440c4902a91b9e035d6f1623a3f0e0308
- 05 R 3a3bd6233829929b4d1c1b4501db9b48d1b949483698bc289c18378f1d015198
- 06 L df7fdec53945f5d4b1cdc45c01301ddc0382af74d445c7642db9bab5c379e646
- 07 L e36e2b346ea6067075542c6d1daca386632c05de16c9f37703eca30f6310a42c
- 08 R 4e4ad0476ae63e8df366be267036395d400dce6e1293b20432709eb767c5f8ad
- 09 R 594d498a904d44bcbad03840639ebf8578ff09154a0b649bac083a422a03730e
- 10 L b4f738f2f34cff0440b8eadf97685311ebe49709de598af1fceca1ce47ec6378
- root 215c4ec053aaea90c32d56de6b04075cd666346eb2e3c822135ac0a626c6aae9