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 OLONGAPO, ZAMBALES Award a ₱9.1M contract to FERMIDA CONSTRUCTION SERVICES AND SUPPLIESCities
Transaction hash:
1d4e909e008ef4122e79a4e2f6b9383a46f545ce737ecb25db073c1eb7e59e92
Status:
Included and unchanged
Block:
#5,494 519 blocks after it
Position in block:
Transaction 61 of 535
Award day:
May 6, 2024 (2 yrs 6 mo ago)
Value:
₱9,080,154.22
Project:
Graham St. (20th St. - Dead End)
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 #5,494 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 OLONGAPO, ZAMBALES awarded it to FERMIDA CONSTRUCTION SERVICES AND SUPPLIES on 2024-05-06.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 Olongapo 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 1d4e909e00…e59e92now …
- 2. Block Merkle root changedstored 3b3b67af70…83c116now …
- 3. Block #5494 hash changedstored 60c49888e6…e91eb3now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 534 records. Each step hashes the current value together with the sibling shown.
- leaf 1d4e909e008ef4122e79a4e2f6b9383a46f545ce737ecb25db073c1eb7e59e92
- 01 L 1c3fb817f05c5193d59283034a792b923bb03e8d2f7fbd114d8df8918e0d126d
- 02 R f23434da73ff9cf9f30c94ae501e7981b2ebd6b532baf97e4675b49841edf693
- 03 L c5bf94e8ead907876ae32f29cede63566a81a39b9161856f95c93a40e102b8f8
- 04 L 95cad7ff2e5691e67a0d9e27919153b73aa3277e849275662f8dbd9653452fad
- 05 L 9c54cdb8ef1b00a2b65533a47fa4613dbc2623737f7e75be75ed4ed08791b304
- 06 L 849aebc36132282629959609c239a37720e2d583f27f3e0fc1066a31cb8cedf5
- 07 R 61acd277f4bb1780e59e3ce580f58e31d8c496209390f4cb90e882df6d54acf2
- 08 R a1224e1157befd6b28ffa93e55fa4e81dfffe1439367289cf2c1207bd477feef
- 09 R f35a123c9e8fb211d01a3d04825cd43fea40baf7698a84f555715963c6a98465
- 10 R bbb79492559cbd6559fbd2cc890b5510dc44f004fa99611295530c818184de84
- root 3b3b67af70c01b12a04d1021469eab87ef86f796a628057cb8d30370e683c116