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 - REGION IV-A Award a ₱48.8M contract to MAR-VEL CONSTRUCTION & SUPPLYNational agencies
Transaction hash:
cc4e147dbb36508af118b8369f5c9acb0f32711dcfe9cc57ba9c0f5a47e6d6d7
Status:
Included and unchanged
Block:
#3,875 2,138 blocks after it
Position in block:
Transaction 201 of 244
Award day:
Sep 12, 2019 (7 yrs 2 mo ago)
Value:
₱48,827,863.91
Project:
19D00033
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 #3,875 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 - REGION IV-A awarded it to MAR-VEL CONSTRUCTION & SUPPLY on 2019-09-12.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 cc4e147dbb…e6d6d7now …
- 2. Block Merkle root changedstored 1963498a8d…80b6cenow …
- 3. Block #3875 hash changedstored 664d8c5494…766586now …
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 243 records. Each step hashes the current value together with the sibling shown.
- leaf cc4e147dbb36508af118b8369f5c9acb0f32711dcfe9cc57ba9c0f5a47e6d6d7
- 01 L cb27abdabf770a06338be2cf826438cfc459e194ae3cac628c5c21f478321f1e
- 02 R aba1ef62163d0920f0ba4368da169cff96c99a30e9926dac34bcc265106a5073
- 03 R d69649884692d6d4f35449ec22b3481f145e60a67bc167fd5c92b190dc98ce53
- 04 L e8934bcedd41bc76728f4a75c18595d1c1ae2a26c0b31ef339ec406c3371cea6
- 05 R 7ede00f0f6a5d9569f2ecbbd56e1adb10ba31d2da7b7cd731774748f003931fb
- 06 R 7d892deca7b5b92df3a09f2a39a21755bfb1b2a5c3b050a391770ede66954302
- 07 L 5390c88182ce14e692f43061d39a3b7d0d3b0c8b3030c3d558de84fbd12978aa
- 08 L 28745bc344c76419c0ae5b5afc6bdf4e996b95a58f0635af23d9ff932236f973
- root 1963498a8d4f97af9e04c973b4d791387cb3de85598d7d1faaaac54f8880b6ce