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 TABACO, ALBAY Award a ₱30.6M contract to MARZAM CONSTRUCTION AND SUPPLY / STEVEN CONSTRUCTION & SUPPLY (JOINT VENTURE)Cities
Transaction hash:
47653d985f580c7f673ee8783c5cf34ffc94c8749ec4162358433058c8ae74a5
Status:
Included and unchanged
Block:
#4,428 1,585 blocks after it
Position in block:
Transaction 71 of 285
Award day:
Apr 22, 2021 (5 yrs 6 mo ago)
Value:
₱30,589,888.94
Project:
Construction Project
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 #4,428 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 TABACO, ALBAY awarded it to MARZAM CONSTRUCTION AND SUPPLY / STEVEN CONSTRUCTION & SUPPLY (JOINT VENTURE) on 2021-04-22.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 Tabaco 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 47653d985f…ae74a5now …
- 2. Block Merkle root changedstored b78ee2e6bb…07c07cnow …
- 3. Block #4428 hash changedstored ebffb29a4d…de3336now …
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 284 records. Each step hashes the current value together with the sibling shown.
- leaf 47653d985f580c7f673ee8783c5cf34ffc94c8749ec4162358433058c8ae74a5
- 01 L 46a22a518368f475156b38e773f01c659f47338faf704ef4c6eaf6380a4d159b
- 02 L 291038429afc338008acc688f4a21f5d800371f399e9dbe8f4a7c7c7decac239
- 03 L b7e486e7e54a902c08cef37ad12c35f4e43245933b8f08b6458d8ef617be25f8
- 04 R fabdba20e73aaa4e5b5cb9897f4e6e13a0911c35f556dabbe956842be818af18
- 05 R 679b5102c99a9b7ddd228a9c5541ab6b39fab65ceef4320387a572f362f7fe7f
- 06 R 291e0686878cfc03c1f5ec4858ecc1214659fc044a251146d37b4b379be71faf
- 07 L eb93cfaeee66767a357ebbe243d72616f0ed13755af976800ddf98ab36067b7b
- 08 R 58a92105aca8ad15b5c371a7b4c1e7cb3ee7d9a92c7f585fd444f3a1b55b98e1
- 09 R 5ea04a71de30cbad1cfa2ef4bf81d3c29c9292199b4449136826ecdac18a48cd
- root b78ee2e6bb63d2b764ba5a3a257c2857788bb3d8d8ad404ab32445a45a07c07c