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 - NORTHERN SAMAR 1ST Award a ₱1.7M contract to PJ TAN CONSTRUCTIONNational agencies
Transaction hash:
d24f2bd389850993c3dc201da8b88e225785b02b40cd51886878cf3f92099310
Status:
Included and unchanged
Block:
#4,954 1,059 blocks after it
Position in block:
Transaction 161 of 203
Award day:
Oct 21, 2022 (4 yrs ago)
Value:
₱1,660,163.17
Project:
22IH0124
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 #4,954 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 - NORTHERN SAMAR 1ST awarded it to PJ TAN CONSTRUCTION on 2022-10-21.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 d24f2bd389…099310now …
- 2. Block Merkle root changedstored bd6191bc9b…197f6enow …
- 3. Block #4954 hash changedstored f645aafb44…880cc0now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 202 records. Each step hashes the current value together with the sibling shown.
- leaf d24f2bd389850993c3dc201da8b88e225785b02b40cd51886878cf3f92099310
- 01 L ceadbef381c2053aa765dfcf4ab6e10c8fdd8a47cc78128c751fb8f6616cf50b
- 02 R 12c85507f380c84a8e4303faa982f530e161ed4337e1ba2d9f0ee857bf0532ad
- 03 R 828a2071b6219a7c20c01d933ae709571c24d283c68fc968aff6fad2d0c2d0e6
- 04 R 3eb61284c8933f364be7fa7d30810d7cc0448fb268264c4860cfc31bd86f70e6
- 05 R 0232f60d4f7e70a0aa6a444e5f4d2a4f9c050f6426b61bf8ab4aa1c1748ad9ef
- 06 L 78647a022cb4c2240a48c389d1d5c984a7b4d9b517bd000defcad373937f0d59
- 07 R 9c5a9d3227e03c4e61a760a6c83b514b1a674c851881f4851790c7e19f3d8b91
- 08 L 2289f8bd180147814879884abb7ff5ebc5227b777c95433c116fac7a9ba53b91
- root bd6191bc9b328cc5d23e6bb8c9c877f1654155d95ae34a01d0ff5e8591197f6e