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 PARAÑAQUE Award a ₱170.1K contract to SPRING STAR CONSTRUCTION AND SUPPLYCities
Transaction hash:
a0b50da9d1e15de6576d86bb95a94526b9c33f5fa3cefe258d840187f0177f43
Status:
Included and unchanged
Block:
#2,764 3,249 blocks after it
Position in block:
Transaction 82 of 131
Award day:
Jun 14, 2016 (10 yrs 5 mo ago)
From:
Value:
₱170,135.85
Project:
Repainting of Basketball Court / Area 6 UPS 5
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 #2,764 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 PARAÑAQUE awarded it to SPRING STAR CONSTRUCTION AND SUPPLY on 2016-06-14.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 Parañaque gave a "unmodified" 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 a0b50da9d1…177f43now …
- 2. Block Merkle root changedstored 03823febbd…bbbe03now …
- 3. Block #2764 hash changedstored cf8509fe10…a551a3now …
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 130 records. Each step hashes the current value together with the sibling shown.
- leaf a0b50da9d1e15de6576d86bb95a94526b9c33f5fa3cefe258d840187f0177f43
- 01 R a27de22567fecd3e8c40754f1e34b8ed6c70540049121dcf8195920c5f7e5aff
- 02 L 8f87ecc2919308b490e90652a7347641ce1887dbfa31e5938f76b52248d71847
- 03 R c8b10d1a20e84d2c4e51190c45ceb407d2fd751eb18ef8fef42399cc281dc2ee
- 04 R 416f009276e8bb217ddf51914116b1941d7756ad9c443bacc4de4e27b9a7b507
- 05 L 09696c6cca1662d797fa6879438e05cce587f9f5e0c9b6095c6e8faf6c21482c
- 06 R 393f6a5aa60d2cbfd6d081d067e5730c238e045722ae1bfb0d31c886408af581
- 07 L 6a4ca073e6fac225882287e809a9b16cde89b839bcde172363bad683835d3e22
- 08 R 150e0ba0b390c394165fd1614be4cd638ca352bb6db46894b71201af47b30f66
- root 03823febbdc89c1be06f7df726e31b0600374b3216ffb1200d0cde2678bbbe03