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
DAVAO CITY WATER DISTRICT Award a ₱17.7M contract to AIMM BUILDER AND CONSTRUCTION SUPPLYCities
Transaction hash:
66bc2f200e80f40c0b9c8e5a70675d153216e231355f8a8d8dccab59d3b5c5c8
Status:
Included and unchanged
Block:
#4,756 1,257 blocks after it
Position in block:
Transaction 809 of 2,014
Award day:
Mar 24, 2022 (4 yrs 7 mo ago)
Value:
₱17,652,485.76
Project:
Pipeline Improvement for Segment I
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 #4,756 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)DAVAO CITY WATER DISTRICT awarded it to AIMM BUILDER AND CONSTRUCTION SUPPLY on 2022-03-24.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 Davao 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 66bc2f200e…b5c5c8now …
- 2. Block Merkle root changedstored 9594962736…9c4e43now …
- 3. Block #4756 hash changedstored d425e25faa…e4c265now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (11 steps)
How this one record is tied to the block's Merkle root, without needing the other 2,013 records. Each step hashes the current value together with the sibling shown.
- leaf 66bc2f200e80f40c0b9c8e5a70675d153216e231355f8a8d8dccab59d3b5c5c8
- 01 L 66a7ffa5de55875e0bd179fff8a4ed66d5bf7a0a8f6f0d8799e86058f7a27a9b
- 02 R 751369cb49f7efd163e72905ae29a402bac875f8e8d2c0258c187d829a5a7142
- 03 R fbc8ea616a43d12123b06b5a835a46c23f93f03ba04d0a93eb922d046257f6e5
- 04 L 10270e579c2ef1073c010bda505e38c12e4e1edd4bad0348f4d2df2a24393a3c
- 05 R b800f9a78de02598d4a8f0c018b0ead58d532ce74ea24c7914e416b7f4e50bb2
- 06 L 045d984a732cb5cc1de2c5085d267556531d9c901696ab94bc15a0d42fc56de2
- 07 R b8c7f92386b7285908c4e3c47685b3483860c5832ac39704795b3b1bf798274d
- 08 R 53debeb5b9ff459b839ddb9d1a0cf5ab9d0d15e3277f31f2cbfa8f9fbd2198bb
- 09 L f64a04ee0e85061f1dfe65abbfe12203e48f88d8c92fb52d441c6181fa396bab
- 10 L e5e3e569290f158f4f444650f2070d99eedbe53a25d874a77c39354ee23890e3
- 11 R 18b93685a83de87afdb97a5107ac17a740526a64a8649cf845f8237c665f097c
- root 9594962736d944ee003d7cede6be384892f0fbd3fc42142c30260764929c4e43