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 - REGION XII Award a ₱49.1M contract to A.M. AYUNAN CONSTRUCTIONNational agencies
Transaction hash:
bb2edca67962108cf8cbcc9bb4b5edb153f1e69a622d6c3280fb8d1a9c64bb2c
Status:
Included and unchanged
Block:
#4,871 1,142 blocks after it
Position in block:
Transaction 167 of 239
Award day:
Jul 29, 2022 (4 yrs 3 mo ago)
Value:
₱49,059,509.60
Project:
22M00100
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 #4,871 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 - REGION XII awarded it to A.M. AYUNAN CONSTRUCTION on 2022-07-29.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 bb2edca679…64bb2cnow …
- 2. Block Merkle root changedstored 541f51d5b0…8840f2now …
- 3. Block #4871 hash changedstored b2507e0261…7b3573now …
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 238 records. Each step hashes the current value together with the sibling shown.
- leaf bb2edca67962108cf8cbcc9bb4b5edb153f1e69a622d6c3280fb8d1a9c64bb2c
- 01 L bb26636c3a91d7309edd1ef68305a957c9b9fc25e7770e6f43cd25addb4a3bdb
- 02 L 8d494a7bcd902e4e1099898411f59aff7163c4bd1f0ffea08f2a25147fca0bff
- 03 L c872672d60c567da2a4eddf4cb48171f509a37b215456533672773eafc225d6b
- 04 R 82b16ec266e177fd7f65a28a0766863d5cf769ea7842285326a794e7bff18774
- 05 R d44ff382d6a392a26fcb9ddb994fa943e5f5514c7845c9b77c7860a257967a94
- 06 L b04e9984b750858231b7f9cb114b4bc31c287aa12a9ae0ca71f0f30938611369
- 07 R 1f0f7e164c99f9ce6ea369d47590a001a538ff1cdcdd0947e2866b4c21bdab04
- 08 L 209493826aabfc01402bd78743b29f86fd86272e53976ad1a31fa6707e89a5ca
- root 541f51d5b0ed77b75a44bcb7d3eef1f6a4ad09f3dc02678ae08ea796c28840f2