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 ANTIPOLO, RIZAL Award a ₱1.6M contract to TRANCOM ENGINEERING CONSTRUCTIONCities
Transaction hash:
4cb7d7da4e5da0cd2173bf669ca2de636ecd31cd8ad81e2f1f65e5dcc76aa3e9
Status:
Included and unchanged
Block:
#3,692 2,321 blocks after it
Position in block:
Transaction 77 of 230
Award day:
Feb 27, 2019 (7 yrs 8 mo ago)
Value:
₱1,570,000.00
Project:
Rehabilitation of DPWH Building and Repair/Repaint
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 #3,692 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 ANTIPOLO, RIZAL awarded it to TRANCOM ENGINEERING CONSTRUCTION on 2019-02-27.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 Antipolo 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 4cb7d7da4e…6aa3e9now …
- 2. Block Merkle root changedstored 56d3a820e5…52dde2now …
- 3. Block #3692 hash changedstored 9c6707e586…5103fanow …
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 229 records. Each step hashes the current value together with the sibling shown.
- leaf 4cb7d7da4e5da0cd2173bf669ca2de636ecd31cd8ad81e2f1f65e5dcc76aa3e9
- 01 L 4a95db882ed12e6671ef9ef1b1fac7de7d265d9a340b64818d611a385831d0c8
- 02 R 0a5b0e594ff8a276f74a7ae15124d77d31908ebeeec92434f3ae64428831180e
- 03 L a00366f163c356ad4c31b4b7720f81a946deac3c12e225f64aae56b81e43a730
- 04 L 4ff0019a82ff4ea3810aec714859da7bd01b0754fc5b3c3ed2535981d563153b
- 05 R 0c8ae3324adaa23c10731c8fcd5cc90243a8d0f95bc5436962874c26df735969
- 06 R 40b07fca9f177692cc6f9ac4838f86f45f05fcf6c1d73743ce38996a4d595248
- 07 L 1ab1363ba7f8259a73bcba775d73ab387c8e8d033d3d6887c5cffcca49b3f0c8
- 08 R 010cdcf0e384bfee56557a2c5897027aef5db03bfb2ae0944caf10b944cc4253
- root 56d3a820e50e0de20cbd4e3db3254f99e7fc9a33b69a4a4cb54d78691f52dde2