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 ₱49.9M contract to KHAN KON CHI CONSTRUCTION & DEVELOPMENT CORPORATIONCities
Transaction hash:
2ea0b60ba8724a5e5eb5203c862cc936f11390d92438dfa2393b46648c15f8ad
Status:
Included and unchanged
Block:
#5,056 957 blocks after it
Position in block:
Transaction 46 of 251
Award day:
Feb 3, 2023 (3 yrs 9 mo ago)
Value:
₱49,931,236.37
Project:
INFRASTRUCTURE - B15-2022-01
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 #5,056 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 KHAN KON CHI CONSTRUCTION & DEVELOPMENT CORPORATION on 2023-02-03.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 2ea0b60ba8…15f8adnow …
- 2. Block Merkle root changedstored 7b01b1f533…d26203now …
- 3. Block #5056 hash changedstored 1de54974ce…590d7anow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 250 records. Each step hashes the current value together with the sibling shown.
- leaf 2ea0b60ba8724a5e5eb5203c862cc936f11390d92438dfa2393b46648c15f8ad
- 01 R 2f14e424100102c43f01eb7b961426a77aec79cdda86506945cc7598ec67bb76
- 02 L 740daf7058999e4ac43ecdbe5580c63849355fe9159d5a5d81b571613698d11d
- 03 L 29f69771fa710de54649c2d19f4e5005238e9f314808ee2a34cc81e7470b000f
- 04 L e69bde1cb45d7712ce7596f9e3f3344ba51105a8e69baee76ff5cdbfd6fa3b3c
- 05 R f3fd658987d8be3bcd9639afa1b3d3d702e7878b9a5259337044291077a58bd9
- 06 L 97623e814a70816d4831e410922f7a4fb05422eac393f143c260828fdf9375c9
- 07 R 9b2c5481b5840e869a7cf65b76c15bddf2191a6d3cb3c605b24a6e94187ba3b3
- 08 R 48da88ac6fb541aeacc42a5d1dfa34ebfcb2cf4c479c1ea4668316722d867208
- root 7b01b1f533d2089c26de450f4675b13d74802ef549aa48b0759d91803ad26203