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 ₱149.4K contract to 3 SUMMITS CONSTRUCTION & GENERAL MERCHANDISECities
Transaction hash:
16bb697d1835d72b69a68e8862c9eed5b379e603808e0128e93c3e2c60f7c71a
Status:
Included and unchanged
Block:
#4,033 1,980 blocks after it
Position in block:
Transaction 26 of 322
Award day:
Feb 24, 2020 (6 yrs 8 mo ago)
From:
Value:
₱149,367.91
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 #4,033 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 3 SUMMITS CONSTRUCTION & GENERAL MERCHANDISE on 2020-02-24.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 16bb697d18…f7c71anow …
- 2. Block Merkle root changedstored 3ff4ec31f2…6b3b01now …
- 3. Block #4033 hash changedstored 9e1dd47453…abd5acnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 321 records. Each step hashes the current value together with the sibling shown.
- leaf 16bb697d1835d72b69a68e8862c9eed5b379e603808e0128e93c3e2c60f7c71a
- 01 R 173f4cab904c4c418cbb6bffc97152ff6c4442a36c22a2f4892131ac17d71b3b
- 02 L 8e83b76b1e563839918f6c57f665e2e7858c035bab13b74c5e35a1b6b9338c5d
- 03 R 8eed5c565dbf8947e6087f69f4feb6582c7f66fe042ad681432f5de756f41140
- 04 L 95e9e27e5a63a0c799d086e1bed0d47d1b38c2134a4bc86345a4761a6753510f
- 05 L dee649d0d890e2aea2085fda3d1ab5b923a6727a5e9bcb25b047fc15d1f64d21
- 06 R 6044a2c44d94cffcc7b61aac083158c281ece0562f96c18c57d1702ae0598ac3
- 07 R 4cf41a4fce86ce5d6f1fa2c9a91ef149602c18753eee143d4808ff89528f7c2e
- 08 R 5f0b02a8a05ce8163cd1d8a60ed4b92033750f05d21e5c75451d7a5cf3598433
- 09 R cdd7333e593455b28a13963b199a225ff6b8b3e2c6ae20819848c91e2ef9005a
- root 3ff4ec31f29a71cf3bf01e8ea5694d1b1acf5959f885f47451479d70196b3b01