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 - SORSOGON 1ST DEO Award a ₱95.5M contract to CENTERWAYS CONSTRUCTION AND DEVELOPMENT INC.National agencies
Transaction hash:
2600aeee82a1fcda445c28fd60ae1d4fe79ace0c89a9f654db21286a5a836890
Status:
Included and unchanged
Block:
#5,935 78 blocks after it
Position in block:
Transaction 34 of 215
Award day:
Aug 15, 2025 (1 yr 2 mo ago)
Value:
₱95,512,183.82
Project:
25FK0083
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 #5,935 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 - SORSOGON 1ST DEO awarded it to CENTERWAYS CONSTRUCTION AND DEVELOPMENT INC. on 2025-08-15.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 2600aeee82…836890now …
- 2. Block Merkle root changedstored 7811e7981a…73d6afnow …
- 3. Block #5935 hash changedstored 30c31d4bfd…3c2121now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 214 records. Each step hashes the current value together with the sibling shown.
- leaf 2600aeee82a1fcda445c28fd60ae1d4fe79ace0c89a9f654db21286a5a836890
- 01 R 27acd7293dc4c549095ef322dd17fc766f65d691ec668ce3cb253a939c9fcbf8
- 02 L c0557bebe067571b7edcdf5b597b5c947c4459b42eb305d86db081c5518045fd
- 03 R 23a92cd7cee62651d8a04cfd7db39733f27f499e35e2aaf8cd165e042f64d1e1
- 04 R d4a0e51f8a17d09998d4bef3fe0883a6560e95293e9da0ca5d936be2c23075b7
- 05 R 4074c4f3cf8095d9032587870480f14022f15f5b218801603ec8ee0cb7f67269
- 06 L 876ebe906ababc94911d2924f6fe71852227587d4080dffdfa17ce0d315a0690
- 07 R 010ba808a8d5a44539e16077b822bfe691728ac43179da6eda533b71a3fbb6de
- 08 R 6d24e46813e585c03e4c34adac43b3f715dfd84571f97237066e1fea85cdee37
- root 7811e7981a1a72dc7f031843549da034913f35ecde4a2ec0d56d04a50673d6af