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 ₱142.2M contract to JDRC CONSTRUCTION & SUPPLIESCities
Transaction hash:
30a7fc2e196212cbffbb7130b74046adb61ffc0b233b36880cd7a3656638252e
Status:
Included and unchanged
Block:
#5,121 892 blocks after it
Position in block:
Transaction 74 of 408
Award day:
Apr 12, 2023 (3 yrs 7 mo ago)
Value:
₱142,206,518.80
Project:
Infrastructure B03-2023-01
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 #5,121 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 JDRC CONSTRUCTION & SUPPLIES on 2023-04-12.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 30a7fc2e19…38252enow …
- 2. Block Merkle root changedstored baa32aa26a…579584now …
- 3. Block #5121 hash changedstored 276519d722…f10eecnow …
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 407 records. Each step hashes the current value together with the sibling shown.
- leaf 30a7fc2e196212cbffbb7130b74046adb61ffc0b233b36880cd7a3656638252e
- 01 R 317d937eba2450e2850784f2d40949c15b9929203a858429be640146bf4bbf97
- 02 L 5f1aec251ad88bcd32eebf2bdd41e247259f4184f833315bf90140041efdbe87
- 03 R c11ba4a32934422ba35774bcd83a901b748ab44e83453b3bb68ebc0d8fb24e11
- 04 L 26210f73530c682d6725a723d89f434cb6161621388886f535d1041c3463a541
- 05 R 7c530f4755b217c819068eb95315a6678089b5b0e766109b4be1ccde6fbe2c65
- 06 R 511b0a558b6d7bd3c6b8bb8771daec34e735403ff8e792809cb5e79d67c38179
- 07 L 6754c7ed74898fe77266a82679ae89ede19ce4ca9acfcf038fa54390059a7681
- 08 R f43b60018d8692e1aec60ef9c6c0533be9267adb534fd46cd8ce912df5916d90
- 09 R 67909ec37e321c04625429d503c1deedae31b0aeef8ded459f0f1e91cabef035
- root baa32aa26a6db1afc000e7485533a0629bde929dd21aaa2e103c5f74b4579584