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 - QUEZON CITY 1ST ED Award a ₱2.9M contract to C.E. MERCADO CONSTRUCTIONNational agencies
Transaction hash:
0f4d96ad2c2cce7ad98367cf2846beab85a21d6835f84e4964d736ed8aa7ecd2
Status:
Included and unchanged
Block:
#3,428 2,585 blocks after it
Position in block:
Transaction 25 of 485
Award day:
May 25, 2018 (8 yrs 5 mo ago)
Value:
₱2,880,900.00
Project:
18OF0191 Construction of Multi-Purpose Building, F
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 #3,428 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 - QUEZON CITY 1ST ED awarded it to C.E. MERCADO CONSTRUCTION on 2018-05-25.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 0f4d96ad2c…a7ecd2now …
- 2. Block Merkle root changedstored 4cc0423ea8…bb0680now …
- 3. Block #3428 hash changedstored 8bc6ab23ba…86f35enow …
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 484 records. Each step hashes the current value together with the sibling shown.
- leaf 0f4d96ad2c2cce7ad98367cf2846beab85a21d6835f84e4964d736ed8aa7ecd2
- 01 L 0efddab3dd6e7a9e06486a930ebb8e1f39f7d7624131f6fc0b3a92c6341c2514
- 02 R 057bb7acf3ad46f2562286a8975b39672e14dd7d9cf2369a9445e622a5210947
- 03 R 29449e5db3b838ea3aa9111c31b2ccdfab56d271dbc142f5805746539dff674a
- 04 L a9b704755de754fd2d923e0c54133333fa4dddd56409e1485da91991450e6259
- 05 L b7899772a23684781fcf1728dba5dc9c1b18e11042d8a550c40f6be2aba2d1da
- 06 R 0259d45a3ba6f6f694c08f0a01c439d182e2a5b5e520b9f2fb74a8c51881cf85
- 07 R af07d4cc857f3ff54f6030bd21ce93e54a9bd18d13a5d4bd011b2b4590f58e17
- 08 R 9e00521e59c2ef9842f99aed9edcc0cb5deb59989426f55ab5fc80cf77d360a0
- 09 R 7e285bf67a3061a2320f4ec7a0d5815a2c1446950ca4b385570faaf69a82ab9a
- root 4cc0423ea844f5b448fa1167d8ba0fb515b1905c1da03b000db13e57e5bb0680