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 DAVAO, DAVAO DEL SUR Award a ₱52.9M contract to MARK ANTHONY CONSTRUCTION & SUPPLYCities
Transaction hash:
fa7e2faa77950682bc72b77ecb37c46992140ebafdc168f3cb4dd3bf69a5e496
Status:
Included and unchanged
Block:
#5,437 576 blocks after it
Position in block:
Transaction 428 of 440
Award day:
Mar 8, 2024 (2 yrs 8 mo ago)
Value:
₱52,867,500.00
Project:
Infrastructure B02-2024-02
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 #5,437 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 DAVAO, DAVAO DEL SUR awarded it to MARK ANTHONY CONSTRUCTION & SUPPLY on 2024-03-08.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 fa7e2faa77…a5e496now …
- 2. Block Merkle root changedstored 0ef2b40ac3…d57cd0now …
- 3. Block #5437 hash changedstored e893fbee74…e3f33dnow …
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 439 records. Each step hashes the current value together with the sibling shown.
- leaf fa7e2faa77950682bc72b77ecb37c46992140ebafdc168f3cb4dd3bf69a5e496
- 01 R fad10f2a1ee33857e899fc0d69235aae85ea3b896ebfd70e5e7325066fad9e92
- 02 R a8a46a65b8185695f3f190839dfb23e960e0ee8498a338c2f43158f57f156656
- 03 L 38b63a48b8ecb87f84843feed0619174363170b0686d0cdf72147d9bc1505c15
- 04 L 95024aaa866e67edb88e18040f80e7d90f4eb3dbc053df96b0ad616e6a287176
- 05 R 3dffc3d8960466c890e095b79facaca32426e8b554a1e0c1318714816fe5e4f7
- 06 L 9d1961289b0affa80c686fe66e892db6f506a228287cbcc39e28b41e76c8428b
- 07 R b5fe3e0bb569f4e722d736445ccc3411161cf24b5f28a2c3d4af0d3582db31db
- 08 L 0ea8be1bbbf2a9cf45da7b91255ab28bf9533fae17f6286c24b5774b8bf5e62b
- 09 L 6d7728b341244e6e6af51a367108480c379b93efc61d48851741fae31254d515
- root 0ef2b40ac3a781ca3e97b35cac7c6369aac23dd023304a7e7629de9c46d57cd0