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
TANAUAN NORTH CENTRAL SCHOOL - TANAUAN CITY, BATANGAS Award a ₱44.9K contract to SMDUL CONSTRUCTIONNational agencies
Transaction hash:
dabde252a16967ef0747cd3b5209b2133e44a0d28e33640c50dd9c2195a985d8
Status:
Included and unchanged
Block:
#5,848 165 blocks after it
Position in block:
Transaction 362 of 425
Award day:
May 9, 2025 (1 yr 6 mo ago)
Value:
₱44,864.00
Project:
Civil Works
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 #5,848 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)TANAUAN NORTH CENTRAL SCHOOL - TANAUAN CITY, BATANGAS awarded it to SMDUL CONSTRUCTION on 2025-05-09.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 dabde252a1…a985d8now …
- 2. Block Merkle root changedstored 847cfd625d…8cefc5now …
- 3. Block #5848 hash changedstored a834efe9f3…64e1d5now …
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 424 records. Each step hashes the current value together with the sibling shown.
- leaf dabde252a16967ef0747cd3b5209b2133e44a0d28e33640c50dd9c2195a985d8
- 01 R db4140567c810184bfcdc3057c93c6bdc8c9c435e67f9ad0bda158bce4db3160
- 02 L 2e144a1d1f412c675a12f44e04033d9de0d4c45f02a33a1ca9bd88e3c98abbfc
- 03 R 02a65ac5fbc52eb4f1d1712eaabda11601584255dbc7eea7861353dfffe231c8
- 04 L 46da393261aea3a21a2a659d576838f5c0054e77bb9408676a36ee5d554bede7
- 05 R e6cd47e750708e4a2208aaf6e6487d55b2ef741c061e59bf5b7f612acf96a2b2
- 06 L 7014ad76a5716c261682696252b8afb79b02a1b0f414c9beb35fff18b719c217
- 07 L cbbe6dc30575ff743f5859a1d92b52ea88b628070f1696e747960de80ada08b0
- 08 R 044baaeb7136bb272eb92c51dfee75bdc63127f4b36d069b90930fb44162c178
- 09 L 6d2c25586c3bc7069c4be63e263337078f07335b9e41dffcee9013a184cb98ef
- root 847cfd625d5094d1fb66589dc5cb946c37cf7edd04a9bee7a3676c2db38cefc5