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 - PAMPANGA 1ST DEO Award a ₱25.7M contract to QUANTUMWAYS BUILDERS ROAD CONSTRUCTIONNational agencies
Transaction hash:
9f5437f296a93fccbbd6385a436b102245a20c0d84292cf6ed4e3f5703f94104
Status:
Included and unchanged
Block:
#4,715 1,298 blocks after it
Position in block:
Transaction 418 of 695
Award day:
Feb 10, 2022 (4 yrs 9 mo ago)
Value:
₱25,686,282.69
Project:
22CG0006 - Flood Management Program Construction/
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 #4,715 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)DPWH lists the funding source as "Regular Infra - GAA 2022 OO-2", i.e. the FY2022 GAA. The exact UACS line is not given.Partly
- 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 - PAMPANGA 1ST DEO awarded it to QUANTUMWAYS BUILDERS ROAD CONSTRUCTION on 2022-02-10.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 22CG0006: Completed, 100% physical progress.Found
- 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)DPWH marks the contract "Completed" (end 2022-05-21). The certificate itself is not published.Partly
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 2 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 9f5437f296…f94104now …
- 2. Block Merkle root changedstored 226f35e30a…96da7anow …
- 3. Block #4715 hash changedstored 00db43ec95…27439enow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 694 records. Each step hashes the current value together with the sibling shown.
- leaf 9f5437f296a93fccbbd6385a436b102245a20c0d84292cf6ed4e3f5703f94104
- 01 R 9fa256f38f552db4675c0fed5b681f68357bb89d6bcc3a81e6a172f1c2d7a79c
- 02 L 33ab5198c6d106286c4423dfc055928b0e0bbabf7e6d443adac26c5c3eda3afd
- 03 R 88643c0686daec23af7ddb984e6159b522e9a1dcdc4b7ec8509b7d423540755a
- 04 R 8e32600108cc4be403e4d30ffb7255318b7faa5384710314e03411ba951696b9
- 05 R 4e59e0931779075b63d502782665f303f72233b7fc0cf9177c89cf2271c71d91
- 06 L 56959495b51fee68a780b8f3b700bcc5858042de85b2c16c115a1340f2cbdf83
- 07 R 5fccf2c2c353f9435d5d3b1fd27a25288876928d5f95d591ca3a2680287a0473
- 08 L de857b25be7db51ddabd94397ea22d3d675d024c1cf1971e56adb484e213c5d3
- 09 L 9665885817ffc2a48cd7fa4297635ee0d16fa7be60836ce11cf33d930f7f9b2f
- 10 R 84e4d0da59b9080528bcb7851bfe83d67bf2ba1e2788dfbf878c98308f646a67
- root 226f35e30a96252c01dad324b72db381ad38b0f67e022990baca861e3e96da7a