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
CITY OF TABUK, KALINGA Award a ₱497.5K contract to TAY CONSTRUCTIONCities
Transaction hash:
1b16c4fdccd377ea260742bf90bb2e276f2aaf6c4d5a40752da1cc2f4aad5a97
Status:
Included and unchanged
Block:
#5,810 203 blocks after it
Position in block:
Transaction 209 of 1,901
Award day:
Mar 24, 2025 (1 yr 7 mo ago)
Value:
₱497,491.96
Project:
Construction of Drainage Canal
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 #5,810 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)CITY OF TABUK, KALINGA awarded it to TAY CONSTRUCTION on 2025-03-24.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 City of Tabuk gave a "not stated" 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 1b16c4fdcc…ad5a97now …
- 2. Block Merkle root changedstored 75dbeb8bde…bbd90bnow …
- 3. Block #5810 hash changedstored 3e83c8e29d…5778a9now …
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 1,900 records. Each step hashes the current value together with the sibling shown.
- leaf 1b16c4fdccd377ea260742bf90bb2e276f2aaf6c4d5a40752da1cc2f4aad5a97
- 01 L 1b15c410d0257cc2cc4cae67430fa3d7d17c5be0e92e4c68394959865ad81d79
- 02 R b538c69b91b45d8bffe90a68d757a1c663285fd4f4e907a4dc887657cba739e9
- 03 R 0fa38d3cf77e86cc8397a51c4e0d8e184d3acba43c0c5ac381963d1543c4699e
- 04 R 772008539938024d03012e1845e958b3dcda9bad3ee832bf5ad99fd53cfbedb2
- 05 L 7b34bfbe8f7a21e7640310a6e0e2738efc704f8a1d204d0c9acc7765d9638623
- 06 R bbdcc79c47adae36fd5e29a718eb3cf55ffa927b95950c09ea781f2a8ea8d09e
- 07 L d36367fd570469e3d5a9171accdd491fba85e8b7ba6701e0d91ba082e330149a
- 08 L f96cb655db41184e192f4eec790e73751504f02f32713d07814ea6e0601731ed
- 09 R 6679bd32ca03ebfc65d933274a571b38d91eea5af8ea162ee5a8426fac8020e7
- 10 R b72076bfc98e98910420d91db33c98be2728d4f0e4f11430d9745e1c1e7af95d
- 11 R dc3b2c4fbb186d6a3e83fcfd24a671267181ad0eb9915b047890f305acb4ee37
- root 75dbeb8bde8456d18c4e948434ad4d253e0852302e25798d1329cb9ce3bbd90b