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 LIGAO, ALBAY Award a ₱997.9K contract to EMRA CONSTRUCTION AND SUPPLY SERVICESCities
Transaction hash:
dd975cdeef229750b37ff32b9254881a53da9c3dd6a63403b318a9f5415ec9cd
Status:
Included and unchanged
Block:
#2,576 3,437 blocks after it
Position in block:
Transaction 119 of 137
Award day:
Nov 13, 2015 (11 yrs ago)
From:
Value:
₱997,881.36
Project:
Construction Projects
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 #2,576 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 LIGAO, ALBAY awarded it to EMRA CONSTRUCTION AND SUPPLY SERVICES on 2015-11-13.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 Ligao 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 dd975cdeef…5ec9cdnow …
- 2. Block Merkle root changedstored 9cb4add57d…03b800now …
- 3. Block #2576 hash changedstored 79476b0e92…c1eb76now …
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 136 records. Each step hashes the current value together with the sibling shown.
- leaf dd975cdeef229750b37ff32b9254881a53da9c3dd6a63403b318a9f5415ec9cd
- 01 L dc115f84b04c7960ed9b87a4b5c71b6e36e07aaf99d5482b65b2231960a3b455
- 02 L 44b51c51048dcbc3879bfaacc45e673c926ef77f2016c5e7db29ee3df1dbbb48
- 03 L f949b2bda8679ce095b201d92ae3d4d506a1cf3e69462505d335a0c55429e544
- 04 R d3edf303fd66e424fcc2e6057acf820c53497609e3096d801e22582271f61780
- 05 L 4f078683cc685a6fd45a3b2fa24f0623668cc055f7ac8b4ba336104ae511162f
- 06 L b2e967178a3b5f8d8ab679e4a0d941b6629d43634de97dcf63bd5fa303c44276
- 07 L 8ff17fe63a607f2e51a08e20cfc491ae477f82ca68f75305ae2f5e881922ec24
- 08 R f7e45c74928e1540aa1878cb6af3ec502f99c5248a9a6e571399cce9a8d38b46
- root 9cb4add57d487fe1a99f8c54527792e25be28df055e9431f34e32cb93203b800