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 - SURIGAO DEL NORTE Award a ₱4.9M contract to C.V CONSTRUCTION & DEVELOPMENTNational agencies
Transaction hash:
21ee094c5eaee47139be7bce0b5a92082508abae436a1e34c79ad4adf8760004
Status:
Included and unchanged
Block:
#5,857 156 blocks after it
Position in block:
Transaction 29 of 345
Award day:
May 22, 2025 (1 yr 5 mo ago)
Value:
₱4,850,027.26
Project:
25NG0024
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 #5,857 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 - SURIGAO DEL NORTE awarded it to C.V CONSTRUCTION & DEVELOPMENT on 2025-05-22.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 21ee094c5e…760004now …
- 2. Block Merkle root changedstored f249ee3453…376c61now …
- 3. Block #5857 hash changedstored 22db152e99…04e79cnow …
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 344 records. Each step hashes the current value together with the sibling shown.
- leaf 21ee094c5eaee47139be7bce0b5a92082508abae436a1e34c79ad4adf8760004
- 01 L 212770ae8149a1191a2160469e5c068a6b0bfb786d2702b9d5f5b96ff64581d1
- 02 R 5dc0fedbcb4cc71fb4e0df52576f3c1e54988fbfa742735f4e40a39eb3f90018
- 03 L 44899e2a19c5afe2fe12b369018362e18dae0b36323d977c91add880c1a92a32
- 04 L c7a0f644ec010851e1c8316b09a2f36003ce74cebd9ad9b5feffe32e80d8c0e0
- 05 L 081f6e21bd50ca90be1829cae245009d1d23f37cfa4fa3a5e5f104ce3b555d4e
- 06 R ae911ba270384c335ae9d240b1e1255d6c82f9ea3982dcd72effb67f29e115d1
- 07 R 035e04abb818c8cc63e6317c3d4fe6ff923555ef44630d8d926668f6912b28eb
- 08 R 971e7d34a9066b1651a2caf6bf56cbac405736849b2fd6a7ac8725b266bc6f05
- 09 R 781f091cc9be98552c42e30ee0776be3a05df8fca554bf5672039991584740bf
- root f249ee3453dcf87648046031cb9c6291f684440762a0fbb2f99635fffe376c61