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 ₱5.8M contract to DQMB CONSTRUCTION & SUPPLY CORP.Cities
Transaction hash:
e8e9b8ce991ad7f802e1bd0605d822f8bbed6d9465e5e734bd1dc59e17039309
Status:
Included and unchanged
Block:
#5,246 767 blocks after it
Position in block:
Transaction 272 of 301
Award day:
Aug 17, 2023 (3 yrs 2 mo ago)
Value:
₱5,784,013.20
Project:
Infrastructure B09-2023-07
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 #5,246 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 DQMB CONSTRUCTION & SUPPLY CORP. on 2023-08-17.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 e8e9b8ce99…039309now …
- 2. Block Merkle root changedstored 0f4858ab82…5fd888now …
- 3. Block #5246 hash changedstored ab9a248134…4a6505now …
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 300 records. Each step hashes the current value together with the sibling shown.
- leaf e8e9b8ce991ad7f802e1bd0605d822f8bbed6d9465e5e734bd1dc59e17039309
- 01 R eb3c9f8ec6d19fa12630db6aeecc4ae207371c1d791bef4e00718352410ef529
- 02 R 9f76abcb4cc85c4ec9f9a6ff6b86dd9e88564bd32d13ad60e2933666ea3ccdd5
- 03 R 0cf4f4dbb6af2f613f975d350457d82bfd69e28c22d179ce1a7cd07cc3375545
- 04 R 2ecb1e62feed09a4cb60d70c198ca985f11d1d82c47d829e937032fc43b7f296
- 05 L 87446059efe1d7abf2bba4ecd8e41fb8453b7bf1cc4ad536cef77457dcb550b8
- 06 R a73d3391826a23d99780f72154e781f63b378bc4416024a3c1770a92bc4d93d2
- 07 R f0f8aa5bbbaca7111ce6d0fc21605cc6b028b9f5474a041c47ea2ee2bf209cc5
- 08 R 301b6c0a8bfcc4330f386437810b3f14855ac5905bb11e3070807bd35c2174a8
- 09 L 50bfb0452ebe43bd0a75bfd122de56a9388847e3c78ef64a96b3799fbb16205b
- root 0f4858ab82f12ecec2659c0dc36dee342601738b16790718e471c30f9b5fd888