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 ₱474.9K contract to JAH TRADING AND CONSTRUCTIONProvinces
Transaction hash:
d8a72dbee5b9df1bbdc4664f1d7d190013cbcae1a281234365ba68b1dd3f1cd8
Status:
Included and unchanged
Block:
#3,340 2,673 blocks after it
Position in block:
Transaction 211 of 257
Award day:
Feb 21, 2018 (8 yrs 8 mo ago)
Value:
₱474,950.00
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 #3,340 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 JAH TRADING AND CONSTRUCTION on 2018-02-21.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 d8a72dbee5…3f1cd8now …
- 2. Block Merkle root changedstored 3e8bf54420…5ccf3enow …
- 3. Block #3340 hash changedstored 1ed7351191…5bbd1fnow …
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 256 records. Each step hashes the current value together with the sibling shown.
- leaf d8a72dbee5b9df1bbdc4664f1d7d190013cbcae1a281234365ba68b1dd3f1cd8
- 01 L d82d7942c656eb459107d0d075d138b3549290b4110e7e3ee51462dac71d55b6
- 02 L 3f80d12b94e20177e67da93a2833124a7024e124a7e32b6f381a8959c4019764
- 03 R 802490724bea64e183cfabb22884c9b8f210bb1814aa6d9d2b46d9e10f2c5637
- 04 R 2560b2c7108f97593b462a1633d773630149f0059b245bde2399003e4758fe8b
- 05 L 941aa9858b0dbbc9692f73c9b210949b976ae6324b16e23826685d747db01682
- 06 R 5c876e16713a56fab735b1fbbd81821b6043e64e41458e019e646e59fc4b5934
- 07 L bb2a24bfab831b913803c90327e059a0876831b9a5fb3c3682a0743328393628
- 08 L 2e9f47dcbc5fc527fe1baac23085d01ba455afeb21a5c93d7aaabb2041a4107b
- 09 R fe270590949750e9e8ccbb013492320e7352a19861effc15aabb8b08034e4fed
- root 3e8bf5442012232ba2e976544761f5c4abd889bd2b540e598258282e1e5ccf3e