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 PARAÑAQUE Award a ₱1.3M contract to CRESTA MANAGEMENT & CONSTRUCTIONCities
Transaction hash:
2aee0cee1b10afd58fb02cf8db3913de7d4b5bdbff02fc4e242d34fe8bbbff2b
Status:
Included and unchanged
Block:
#4,820 1,193 blocks after it
Position in block:
Transaction 19 of 145
Award day:
Jun 7, 2022 (4 yrs 5 mo ago)
From:
Value:
₱1,309,883.48
Project:
Proposed Construction of Drainage System at Rivera
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 #4,820 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 PARAÑAQUE awarded it to CRESTA MANAGEMENT & CONSTRUCTION on 2022-06-07.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 Parañaque gave a "unmodified" 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 2aee0cee1b…bbff2bnow …
- 2. Block Merkle root changedstored d7c2b4724c…7722cdnow …
- 3. Block #4820 hash changedstored 59116fd4f5…667702now …
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 144 records. Each step hashes the current value together with the sibling shown.
- leaf 2aee0cee1b10afd58fb02cf8db3913de7d4b5bdbff02fc4e242d34fe8bbbff2b
- 01 L 28b33bc76342d7d49761762ac9eb41ea7fb5871cd399cf74bb3925ad3267d7a3
- 02 L a76062edb336896338143c4f57c8de1355802f00b312d5bedb0e532d5941d3e0
- 03 R 7fd57baeff34bcce85ad85cee3ec5409fc69fe81a5e8d7c6695620dcf5de9e72
- 04 R e6a847b2fa28041f33d7a8bd2389bbace06462b1a11bfbedaaa7997193c5e0a8
- 05 L c417789b37b542c8dda5331f8e8d15a633d7525bceef538c66cdd9605ed48a6a
- 06 R 639396a07fb2cdc6b8876f1ffe1bb319fb4eb9af44c997e5a6c0dfa7c942b4b1
- 07 R 354015293c7160a0af2c2642d95cdcb9ab00591b7cbfca0a40ce5e5d2ac5fd3f
- 08 R cf017c60d4df381f1c6b6d0c022870eed46d7b31e18b9b778c3174306cb9973b
- root d7c2b4724ce90ac4f0597ed1fc9bdc875b0f9a5d77f1e03ace9880077b7722cd