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
MUNICIPALITY OF SAN EMILIO, ILOCOS SUR Award a ₱2.0M contract to WILLIAMSON BUILDERS INC.Municipalities
Transaction hash:
446de3f5c0efef83d11377ffb267f3a5f6f353a4d0a3d160ccb712d1dcf56204
Status:
Included and unchanged
Block:
#6,002 11 blocks after it
Position in block:
Transaction 217 of 758
Award day:
Dec 3, 2025 (11 mos ago)
Value:
₱1,997,523.29
Project:
IMPROVEMENT OF BABATTI IRRIGATION SYSTEM PHASE 2
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 #6,002 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)MUNICIPALITY OF SAN EMILIO, ILOCOS SUR awarded it to WILLIAMSON BUILDERS INC. on 2025-12-03.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 San Emilio gave a "unmodified" 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 446de3f5c0…f56204now …
- 2. Block Merkle root changedstored 6d67d84e06…4f9de8now …
- 3. Block #6002 hash changedstored a31530c8f6…5638fenow …
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 757 records. Each step hashes the current value together with the sibling shown.
- leaf 446de3f5c0efef83d11377ffb267f3a5f6f353a4d0a3d160ccb712d1dcf56204
- 01 L 4434c84f3a54c5432cda9ed96008d7c5d8efa38a59fd80f89fa29aef5cc7b414
- 02 R b5924e34740046c130d32dbcf156d91751b9b9b45a6ae0bd6ef650a40f94d226
- 03 R 3e19e434ba3376898460a0a7cb13ca0a7841abb9abd445a2f441fbdc2be316b9
- 04 L a564dc463dbbec80b44f080dd600a11f930917f164bc6e35469c8b527007b350
- 05 L 16049fd0fffc971380f5785b4c366e8aa023c2b5151ef3b6739b318ea0b015c4
- 06 R 3d79cc2209e6b45c3755643c5b338e1fe79f3b02fe84fce68c88858fcc5215e0
- 07 L 562c49d2d6cd24b1fb9bb6eb933908a1fd13766a8ebc512556086116d3ca86bf
- 08 L 664b527cecf3e860f17a369b8f91973c8522adf9ec79928d352bc5b7baeb6968
- 09 R 48bcfc603973c4005ec12ce1f98aa503f43f7273db7c2c3fd024dad7a183a8a4
- 10 R 6ca9e68269516d952e451cd49b8fc313d0d9368b5c231b9813427fd0ec2d45d8
- root 6d67d84e0682f1bee8cb254afe7411edcaff8382eacaae0a1cba6730bc4f9de8