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 3RD E Award a ₱27.9M contract to C.B. TAMPENGCO CONSTRUCTION & SUPPLYNational agencies
Transaction hash:
a40abd59ec2e1c2e5249b43e00cc505c3a29dd5138b38690445f667cf7959b7e
Status:
Included and unchanged
Block:
#2,416 3,597 blocks after it
Position in block:
Transaction 71 of 122
Award day:
May 26, 2015 (11 yrs 5 mo ago)
Value:
₱27,864,586.92
Project:
15OD0040
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 #2,416 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 3RD E awarded it to C.B. TAMPENGCO CONSTRUCTION & SUPPLY on 2015-05-26.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 a40abd59ec…959b7enow …
- 2. Block Merkle root changedstored c1c631411f…b75d80now …
- 3. Block #2416 hash changedstored 4bfa41dc1b…87c2f8now …
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 121 records. Each step hashes the current value together with the sibling shown.
- leaf a40abd59ec2e1c2e5249b43e00cc505c3a29dd5138b38690445f667cf7959b7e
- 01 L a24581acc9eeb57684deeb44e9f64198e196d486795be9ef9e3eccf89e81fe1f
- 02 L 9bbe95d27b9b409c8439d48dd4d8eb70e715e4a132ef31185a983ed1269593ff
- 03 L 2c28b18ee67d6f0494ac84818265185dd73bac1bdffe2282e96e031df9de29dd
- 04 R 128c298c5c2b70a49091e63e4361bd62849e157b68d790a5ea7e702336fd80e3
- 05 R c5f557c21ce7f7bf5ca2b15e0280cd22e724c6d0950628097c69dd15adfbdd93
- 06 R 6965e29e6a597698dfae481c638c26f01adb98cd140a12183e298845b8b2c732
- 07 L c15b706547550bc67474edeca968b5e336abb8b6a49e10687d1a553f844b0d20
- root c1c631411feaea6a148d3ebc641adb88bb7bfa98535422d69f30d58fc2b75d80