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
PROVINCE OF ALBAY Award a ₱665.7K contract to MAE MAR CONSTRUCTION AND SUPPLYProvinces
Transaction hash:
a082bac7b4e01a8d3f50bbc49495eb3f512d9e6ff9c871ffef002e667f862374
Status:
Included and unchanged
Block:
#5,947 66 blocks after it
Position in block:
Transaction 190 of 280
Award day:
Aug 27, 2025 (1 yr 2 mo ago)
From:
Value:
₱665,657.64
Project:
Construction Projects
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 #5,947 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)PROVINCE OF ALBAY awarded it to MAE MAR CONSTRUCTION AND SUPPLY on 2025-08-27.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)COA's CY2024 audit of Albay gave a "qualified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 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 a082bac7b4…862374now …
- 2. Block Merkle root changedstored 5931cdd4cc…c1267anow …
- 3. Block #5947 hash changedstored d4b400ddf4…e3e080now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 279 records. Each step hashes the current value together with the sibling shown.
- leaf a082bac7b4e01a8d3f50bbc49495eb3f512d9e6ff9c871ffef002e667f862374
- 01 R a2151fbe733a6855e6477c0be40ce04ac86a0df7171b94ba57ccf62dd9bbdcf1
- 02 L 03625648c795e613c2b7fd763ac6cfbf27d476633da4e422bf4883b8df6586f9
- 03 L d3c65b80c2055df1a6b0740ae37e1a0f3de3a327b3cb7cfe68ce4f8eb116fd21
- 04 L 45b31bd6af6c9c647a4112d9acbf379f368e3d7860a1d521d8e29e7e09521b92
- 05 L 2bfbe847d4f1b43da046b40b61f044c526683faeb5e24d1ab131a0869c2717ce
- 06 L 454dcf61d63d826c9055045cbb273101d75473fca2988068a5fc5f54ee0afcd4
- 07 R 47f503fe137bd86ceef03f6e3ce21c47f40ee577c8c555a71ae739bf3ddbc2ee
- 08 L f77d53395d0e25b5bcd1a3bd4d60715a5d14c8a0fdd97b4ae868889bcb376b61
- 09 R 656d10bdbdfd65acf2f070f6ecc478e64c7738f0a58ff6299e4c522c17be2b80
- root 5931cdd4ccb65586135f25f48d24f25116fd54b719b4cf68be06bf18fec1267a