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
MUNICIPALITY OF LOPEZ, QUEZON Award a ₱297.0K contract to YOLOBUILDERS CO.Municipalities
Transaction hash:
4e820bd01f4be103aa813ef59d95bd0c68ba37f1b78d9b2e7b06b6e1a96d2745
Status:
Included and unchanged
Block:
#2,692 3,321 blocks after it
Position in block:
Transaction 163 of 558
Award day:
Mar 17, 2016 (10 yrs 7 mo ago)
Value:
₱296,998.72
Project:
Promotion of Sustainable Agriculture
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 #2,692 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)MUNICIPALITY OF LOPEZ, QUEZON awarded it to YOLOBUILDERS CO. on 2016-03-17.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 Lopez 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 4e820bd01f…6d2745now …
- 2. Block Merkle root changedstored 9caf7fe5ee…7f7042now …
- 3. Block #2692 hash changedstored e46559f102…d95fdfnow …
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 557 records. Each step hashes the current value together with the sibling shown.
- leaf 4e820bd01f4be103aa813ef59d95bd0c68ba37f1b78d9b2e7b06b6e1a96d2745
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- 02 L 44550d877297a17b58142242447653b7901f851483b2a252bdc1b7fb07752501
- 03 R a6c28574073576cba4317b5d45b3ce221197004144dc9e17ce56a030edf22b6a
- 04 R 9d57ddeb37ab9a3849607688733b03f8361ac088239604ada1c135eea150dac6
- 05 R aa55cdbdc0e218bfa74a3cecb1aff10494e8d72d70b50c9a721fd265b0bf2d18
- 06 L 611b1a394c49dc6acafe15d173e84880d420569de584bf51cac9b44a141c8609
- 07 R 35112d18155d32575444000a6d7efa9d343519f2da75c147a6f24ff78aa01568
- 08 L b0d5467600656d9355cbc8d002ca1642da826be8e9506fc3dc526bd257235bdc
- 09 R ca6cf66b84d667b90fc6a8ebf2bb9701f01b7f2892697ef15265027060f9a6a0
- 10 R b8a16e1d69d24af0fcb370040a4d4008b4dd9173fe12ba5f5e997d099c829857
- root 9caf7fe5ee60dcebab668e82014afa5fb03e480160c5006b96f7a0a40f7f7042