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 MALABON Award a ₱1.5M contract to JAC BUILDERS CORPORATIONCities
Transaction hash:
dd7af45f331c80a3b3247d3ddc80097b48e42f91266ef91bbd63a2d6ae3ad922
Status:
Included and unchanged
Block:
#2,810 3,203 blocks after it
Position in block:
Transaction 130 of 146
Award day:
Aug 2, 2016 (10 yrs 3 mo ago)
From:
Value:
₱1,451,699.63
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 #2,810 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 MALABON awarded it to JAC BUILDERS CORPORATION on 2016-08-02.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 Malabon 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 dd7af45f33…3ad922now …
- 2. Block Merkle root changedstored cd4f8dfb8b…279d08now …
- 3. Block #2810 hash changedstored f1146fe31e…8c3e33now …
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 145 records. Each step hashes the current value together with the sibling shown.
- leaf dd7af45f331c80a3b3247d3ddc80097b48e42f91266ef91bbd63a2d6ae3ad922
- 01 R ddccbdf56acaa7635538879b91224e9b49f3d256342f1ec69e580672b0225b75
- 02 L a5720bc3e44d95613271b1a1b0eaf364c9da05a240197b765cc97f0ed3b02376
- 03 R 1b5ca5a33e3455f4ec6dd137a41f1120b02a35358fe4868df9f7b6b317a940a7
- 04 R 30949919fee5b3172a4bdb342ab0a1ae72af1e285972744aeebf2b7b7b64746e
- 05 R 1fa94fc9458d502eb3f323c6cd4c1f7bde2dedcc1c1a34b26722fd517beb67d2
- 06 R fbbec02aecac29f82a5362385779c11192ba228f594c3016652142e940afdeed
- 07 R 1d12120ea215028fffb286809da2fbb090c195d314034c3e9108338058b0b7b0
- 08 L 8b44d35736a09ce1c646425d03523a073c3a2e92186f86caa2537ecf5b5e9a4b
- root cd4f8dfb8b6fe171be78860ea6cc140597a89fc81a2cfbcbb0f4636922279d08