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
PROVINCE OF BATAAN Award a ₱522.0K contract to E.R. VENZON CONSTRUCTIONProvinces
Transaction hash:
e6635322e792700a424d290b03b82ba4d73c0f7afbb38d02e7543fd06e27e7e7
Status:
Included and unchanged
Block:
#1,911 4,102 blocks after it
Position in block:
Transaction 151 of 164
Award day:
Nov 8, 2013 (13 yrs ago)
From:
Value:
₱522,044.00
Project:
P.C.C.P.
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 #1,911 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)PROVINCE OF BATAAN awarded it to E.R. VENZON CONSTRUCTION on 2013-11-08.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 Bataan 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 e6635322e7…27e7e7now …
- 2. Block Merkle root changedstored 46e24254d3…d42f99now …
- 3. Block #1911 hash changedstored d0bccde4c5…932bf0now …
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 163 records. Each step hashes the current value together with the sibling shown.
- leaf e6635322e792700a424d290b03b82ba4d73c0f7afbb38d02e7543fd06e27e7e7
- 01 L e05275d8fbb8812117084c9b43027f141e11f127a3323f936b41b4c9f9c34aa2
- 02 L b047cc497b4b899c2217dec9914c252f8f097b2555b54f404936ccba965211f5
- 03 L a382467eb21cb440aeefec57c0ff66cb2365e434a72b26a2819fa11aa09efff9
- 04 R 5a1fca4091e151614743d21daabe1ad574434cec101931131d0635447bcdcee8
- 05 L ae04495024d0eaeff7757fc2bcd81e7a369ff2bfa45362f7fffc45bc92285523
- 06 R 917f43c43ce3acde8ec26a7af5917d9f221c2c6a513fd7dbc57fb35c6c86f470
- 07 R 9d32c6473352b7da259dd7fcf5b1843fbb1f67eb74b3a8f59d19f098a76739fe
- 08 L e5367225b0095793663aa09cf8c913d41fed6f26f475b5605e86ac176fea374e
- root 46e24254d34e7269d8e5e32406a4b020831478f024959b708f54e7721cd42f99