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 ₱1.5M contract to CHS CONSTRUCTION AND DEVELOPMENT CORPORATIONCities
Transaction hash:
32d3b055d646900a958c946d7311760e0bbffa03fae29da6eb0bbc66115254b2
Status:
Included and unchanged
Block:
#3,928 2,085 blocks after it
Position in block:
Transaction 44 of 197
Award day:
Nov 5, 2019 (7 yrs ago)
Value:
₱1,491,367.33
Project:
2nd Floor (right wing) City Hall Complex
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 #3,928 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 CHS CONSTRUCTION AND DEVELOPMENT CORPORATION on 2019-11-05.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 32d3b055d6…5254b2now …
- 2. Block Merkle root changedstored e718f2c74d…35073anow …
- 3. Block #3928 hash changedstored 2cc737abd9…500663now …
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 196 records. Each step hashes the current value together with the sibling shown.
- leaf 32d3b055d646900a958c946d7311760e0bbffa03fae29da6eb0bbc66115254b2
- 01 R 366a884a871785ed5649b2fc680d84aa967166b66a47e7f2a05de519bce1db13
- 02 R e51894fd79392d2986a9d4991b5ce4e74aa7f7bf1682bd51dd6333057fc98f81
- 03 L d8f69b9a0033ae23ab0dfb83ee59d700d2a33120e1b5ffe6a0e4dadc5547e8dd
- 04 L dd5412f77c17bb4cb798e16e6a9561e81f4a0490676ed58866870ee870067d01
- 05 R 8442d218894921aa1bc5b1902f3c1089aa7ffccee3db4c7b23b09442ff0c6db7
- 06 L 466c0d55f59905d5590bf8bb9d8a2d503363a03313d2235a98bc9959245ff28b
- 07 R 0bd3209d6a5b07a5420e86d4cfc2cd15d9ff7ae98a78b6bca4e4cabe01865a25
- 08 R ea22a79d1cf02b6fdda001810647120ccd7c49dbfc86127ee3c401e5e553ddfc
- root e718f2c74dcfcc92a2717f3ccfff3acd41d547e2d3d27624da08e8a3db35073a