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 - ZAMBALES 1ST DEO Award a ₱7.5M contract to GVDPM CONSTRUCTION CORP.National agencies
Transaction hash:
fe2efcd2e7b5f9a7537028a7225f34c7482e7f663544e2f5dd14ac2368db7e0d
Status:
Included and unchanged
Block:
#3,081 2,932 blocks after it
Position in block:
Transaction 275 of 276
Award day:
May 22, 2017 (9 yrs 5 mo ago)
Value:
₱7,520,973.48
Project:
17CL0080 - Construction of Flood Control Project
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 #3,081 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 - ZAMBALES 1ST DEO awarded it to GVDPM CONSTRUCTION CORP. on 2017-05-22.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 fe2efcd2e7…db7e0dnow …
- 2. Block Merkle root changedstored c9d9cd62e6…f5ffcfnow …
- 3. Block #3081 hash changedstored 476b71a03f…e702eenow …
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 275 records. Each step hashes the current value together with the sibling shown.
- leaf fe2efcd2e7b5f9a7537028a7225f34c7482e7f663544e2f5dd14ac2368db7e0d
- 01 L fc6922ceeda6b224f10349202291b475d327bb210aa8ea2aa5c4ec61b13e4505
- 02 L de9f2d3f7181a0c31ddae06a5fe219fc1a1dc7cbb3bd2c15d4355eedcfd12080
- 03 R ad72a114334b3295a61461afb9c2ce092b0ee202b7ecf79a499715bb9631d487
- 04 R fae8407ea10f5c4deee43335ab053d6d3cd546e28cef230df03f0405e46207f8
- 05 L 844d097c015dde501d30fb8040fd2efd7645dce4edd9c2ba47fcc3c2326df341
- 06 R 0fce3f25be29774ae149c6a2df98ac82e99b030ff4e993c665deb0aa00337622
- 07 R 509db29576ac76012ec5dc8ad5868789d9bd019c2a9f21e2c5b5d584e0559964
- 08 R 199cdac723f662c73371b4d8b65c6222f1455709d010a1b0833b799075278d3f
- 09 L 212d15df4cef2461e01a7c30ed01335769aebe39ccef9c1bdf5f1493679c4087
- root c9d9cd62e6f0d2605a7490e06d5c0789490d56f967e8b7ea7c72f24b2ef5ffcf