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
DAVAO CITY WATER DISTRICT Award a ₱397.5K contract to MELO STEEL ENTERPRISESCities
Transaction hash:
67bbe0e24dfe2e36d0f67bc9525944f9e3ac64ac298d37f61b70803cfe55303c
Status:
Included and unchanged
Block:
#4,640 1,373 blocks after it
Position in block:
Transaction 100 of 214
Award day:
Nov 25, 2021 (4 yrs 11 mo ago)
Value:
₱397,500.00
Project:
Construction of DCWD-CalLab Waiting Area
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 #4,640 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)DAVAO CITY WATER DISTRICT awarded it to MELO STEEL ENTERPRISES on 2021-11-25.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 67bbe0e24d…55303cnow …
- 2. Block Merkle root changedstored db12126ab5…2c9222now …
- 3. Block #4640 hash changedstored 5a517ec6da…7fd190now …
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 213 records. Each step hashes the current value together with the sibling shown.
- leaf 67bbe0e24dfe2e36d0f67bc9525944f9e3ac64ac298d37f61b70803cfe55303c
- 01 R 69810098f5d47dcb6b5c0c6587ee9c9f124d7358cdfb7d243b31b59a590420e9
- 02 R e7abe963d6d29ac24427f528b98c84df9e79bce7d152f2831f2d04402f73ec12
- 03 L ba2ee8562a1859b441f3cd749595fc0375c32f4ab2f2ae7180f12116ff8be7d8
- 04 R ac3f05a9b9e9eca3414eb5a1912a2d72eaf618c8227b1ca953d1a3e19b29c7ed
- 05 R 531ea34f455c66b738f09a841b8d5112954e40086c347da3f3b1eee7719f57d3
- 06 L e2fbbc04320cba0c59512ad3af28fc63803cabfcd317005eeaac3cdf135222c9
- 07 L ab596552cedecc6f1fa4be2f6b8ba17ed7edea776ce436fd7b65af597fb02d0a
- 08 R 79e86f3a40171ed81db1072d2285571af89ff0d0c48b123694c418c57cc6a04f
- root db12126ab54917bde761cc18e6c3553f9fedea0977dca2539ac0c168d62c9222