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
PROVINCE OF DAVAO DEL SUR Award a ₱199.0K contract to YUSRA CONSTRUCTION SERVICESProvinces
Transaction hash:
bdaec822f1fbece2e2fc615e9bda7fd7c1eca673387b25b28174da85c9c45510
Status:
Included and unchanged
Block:
#5,089 924 blocks after it
Position in block:
Transaction 227 of 284
Award day:
Mar 10, 2023 (3 yrs 8 mo ago)
Value:
₱199,000.00
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 #5,089 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)PROVINCE OF DAVAO DEL SUR awarded it to YUSRA CONSTRUCTION SERVICES on 2023-03-10.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 Davao del Sur gave a "not stated" 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 bdaec822f1…c45510now …
- 2. Block Merkle root changedstored dd91f3b46e…0c5f85now …
- 3. Block #5089 hash changedstored 9717256a0c…ff0484now …
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 283 records. Each step hashes the current value together with the sibling shown.
- leaf bdaec822f1fbece2e2fc615e9bda7fd7c1eca673387b25b28174da85c9c45510
- 01 L bd0a4dbc314c0ed2d6392fa45c0fa999dfb42fe7a2179b24bba603cff6afa6a2
- 02 L f26d8d22d919c84eae9105f25d5c3aa3c1340e04d03d623aa8a93a8ffe7f1000
- 03 R f1ccf68f7ef6a803d41f100874d17a1311b6bc1a6fc440572785c25c27f02451
- 04 R ec7da4327195f8f2a491f2a5dab1f255f77799246b7dc305260b4ceb1a6c6252
- 05 R cd016234b57f568388585de0f6f604cfc1649b5fe15f1aecd20e229293c380d9
- 06 L 932036441158b9eb68cf1c95d3e3e885f28d35237d91e77b4946635b9d0bfab4
- 07 L 0a48d6daa1f4ffb834f567c67708ad9a710b62a693c0d2f50b6382b6b3b4d504
- 08 L 8df8a606843f6e72317b0134fe7cdbe37c71609ca27fd3cd41af6068f19441cf
- 09 R c45502e6a3d34bdc9f8b7e1aba14f6aa31c384feb830a4cc20efe1f04060e8cf
- root dd91f3b46ede799883f7d21cc0bb1ef8227a808e162b003878e7d0a2c20c5f85