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
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BATAAN 1ST DEO Award a ₱3.2M contract to AS MACHA CONSTRUCTION AND TRADINGNational agencies
Transaction hash:
7fafd2175bcecb87960eacfad89ab320e638d63c6e293cd17104ca94eafcd7bf
Status:
Included and unchanged
Block:
#3,197 2,816 blocks after it
Position in block:
Transaction 103 of 207
Award day:
Sep 22, 2017 (9 yrs 1 mo ago)
Value:
₱3,179,289.00
Project:
Construction/Rehabilitation of Water Supply/Septage and Sewerage/Rain Water Collectors-Rain Water Collector System, Dinalupihan, Hermosa, Orani,Samal,Abucay, Morong, Bataan
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 #3,197 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BATAAN 1ST DEO awarded it to AS MACHA CONSTRUCTION AND TRADING on 2017-09-22.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 7fafd2175b…fcd7bfnow …
- 2. Block Merkle root changedstored 3873728c8a…4153banow …
- 3. Block #3197 hash changedstored 654518b7f3…83808anow …
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 206 records. Each step hashes the current value together with the sibling shown.
- leaf 7fafd2175bcecb87960eacfad89ab320e638d63c6e293cd17104ca94eafcd7bf
- 01 L 7e50a813f105887208bb6f02e5bcf3a08b121414c47bd570f35100c5fde025f5
- 02 L 545e0ac120e0e0aa6c6e2bd7c893f54700da209146a1d58ecf3a86564977115c
- 03 L 1e6ce8f13df2a4fe3bcf3c1dcf71655025af0da31d5a7a831b378a349803bb14
- 04 R 1a1b4e196e4203caaaa9492a9b805c467612790a3b6d4e9e366834f0ebcb9f8e
- 05 R 2331ecc71d6f7aaeb855433c02603c1a511519994d8bcf8e8722ecf3d1ba602e
- 06 L 07deeefbe250d2228c4ef03f0e192ed4f0424a791852fa65a1f3e38d8446c81a
- 07 L ad8f5a938cb01826166810a585f65b393bdc54bf3fffbbc52587e53f4e843c9f
- 08 R 8a5b0d4eb3c0778cf7edca37ab054a0ea4e5584d7e387d3cc881b4f1016b6b77
- root 3873728c8ad6183c42d26e18b7f73295b1b8a6a4e35579c870bba082f04153ba