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
CITY OF GENERAL SANTOS , SOUTH COTABATO Award a ₱13.4M contract to SEMREH CONSTRUCTION AND ENG'G. SERVICESCities
Transaction hash:
aa9ad042e7a32cb63cd7ade6d81e5981bf0becd3c204f1eb79966a429539b8b1
Status:
Included and unchanged
Block:
#4,508 1,505 blocks after it
Position in block:
Transaction 146 of 219
Award day:
Jul 15, 2021 (5 yrs 3 mo ago)
Value:
₱13,392,087.42
Project:
21CW-GSC-008 LOT1
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 #4,508 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)CITY OF GENERAL SANTOS , SOUTH COTABATO awarded it to SEMREH CONSTRUCTION AND ENG'G. SERVICES on 2021-07-15.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)COA's CY2024 audit of City of General Santos gave a "qualified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 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 aa9ad042e7…39b8b1now …
- 2. Block Merkle root changedstored 78c9f53dd7…ec4ed2now …
- 3. Block #4508 hash changedstored 874ec380b5…1fc7a2now …
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 218 records. Each step hashes the current value together with the sibling shown.
- leaf aa9ad042e7a32cb63cd7ade6d81e5981bf0becd3c204f1eb79966a429539b8b1
- 01 R aaecbb9a3b35eb97d634fa68ba03800c26ceecd74b0dffc22cecdf3013ff46af
- 02 L e7f725b947cc655e2930f90b13ff6521fecf6cbb00eed29c27fc97a050b59704
- 03 R a8ba1fb43710602d7f6bdd66c7a00379aa3e28812b516b2de8b89996d44367e6
- 04 R 72ecf61fe3b67b2bbdd05c2a5114dd0e82037358d4eab5af54c892f6a42709e3
- 05 L 1c979c2eba6b7439b1f233cb038e70599e4544887797388db21a2ba672b404d3
- 06 R 8dea71fa9ac476f3f4975f87d00e748de9f5f4b32475713b1cb9e21012b44249
- 07 R a5b5a3e524be4c27b2a3e35dce85740d19d76f7e12428a44993b9d6891da6a24
- 08 L 01153e4365236c7e9f6974300cc7a7108e840628dd3b366c40ea1a4d65f88069
- root 78c9f53dd7da95be83c72c39ba16d57b2444f65a8bc4557769c811d202ec4ed2