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 - METRO MANILA SUB-2 Award a ₱1.4M contract to BLACKRAM BUILDERS, INC.National agencies
Transaction hash:
2205ea31196e3428c8a9a0129112aaa5ebe08ec1022fe1d83e2c381e4b597d66
Status:
Included and unchanged
Block:
#2,238 3,775 blocks after it
Position in block:
Transaction 31 of 123
Award day:
Nov 11, 2014 (12 yrs ago)
Value:
₱1,427,750.76
Project:
Imprvt./rehab. of drainage system, daang maharlika
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 #2,238 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 - METRO MANILA SUB-2 awarded it to BLACKRAM BUILDERS, INC. on 2014-11-11.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 2205ea3119…597d66now …
- 2. Block Merkle root changedstored f707ff4bb0…23d42anow …
- 3. Block #2238 hash changedstored a17c008a15…d2d21bnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 122 records. Each step hashes the current value together with the sibling shown.
- leaf 2205ea31196e3428c8a9a0129112aaa5ebe08ec1022fe1d83e2c381e4b597d66
- 01 L 21935affd969eb6df811e2268ed70a8c60a1e6f6f2d2b900ccd5f8a2ad0f6f9e
- 02 L 9860de9ac47be366ff11e4c42aad5ff6bdb21f6c1d22ecf976b7adc7ebba00a3
- 03 L a81feb130ad1aaa625bbd1ee5816b3585ba3f945d252ce88a3db11dc782f2648
- 04 L 6c583669d0b0f8b73c9d6f822a3dd2add78df9849550c671f88618a62e54701a
- 05 L 4b9a83ee740a8b043dbb33bdeecaa537b53cf0effe6bf66568fee783f9feb4d4
- 06 R 4be4184164fe6d14d3c6c480346cc75b9bc8dbef9dd908d6433d9254772dd040
- 07 R 896d5dcd6d9dc2aeb6ed2f129240579c2de0dd111ebb24241ea5186c45f02e5a
- root f707ff4bb083e28310eaa583aa9fc278d299a65d64afb1fa7ee4aada9f23d42a