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 - BULACAN 2ND DEO Award a ₱44.7M contract to GRANDCONST BUILDERS CORPORATIONNational agencies
Transaction hash:
96fd4b7814636eb91b359c8efd0a53eb5c0c5a010d52ae10266e719d769a0334
Status:
Included and unchanged
Block:
#4,367 1,646 blocks after it
Position in block:
Transaction 229 of 404
Award day:
Feb 18, 2021 (5 yrs 8 mo ago)
Value:
₱44,654,097.68
Project:
21CD0097 Construction (Completion)
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 #4,367 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 - BULACAN 2ND DEO awarded it to GRANDCONST BUILDERS CORPORATION on 2021-02-18.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 96fd4b7814…9a0334now …
- 2. Block Merkle root changedstored 5ac1559693…9effbdnow …
- 3. Block #4367 hash changedstored 9f47d49ab8…c0c35cnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 403 records. Each step hashes the current value together with the sibling shown.
- leaf 96fd4b7814636eb91b359c8efd0a53eb5c0c5a010d52ae10266e719d769a0334
- 01 L 935ac61e449e13c75a3fd161d9aae4fee39f602efae79a687f0a2d7772a3869b
- 02 R 698a28ccb9dca0b5b99d368ec2b4c62d7f6b50fe62c4934664cc81e2d83c763f
- 03 L 37a00c89b2922a084716a42ed82fabc4bd4f41f6837e71e15407317697acdf55
- 04 R c4f6adebed8e26dbdbd0f857905c71340b399eaf250ce2dc6a72c6f611db3de9
- 05 R 24ab069e08be41012e0c954229bab4c42982e5635b710122b55f1435236e1c4f
- 06 L e1aaea15225ff749907f88be395519dcefde68d57ce0e34926c3774c18c7920e
- 07 L d91e7a15c58e902543a3d27ec63800c166b6163851d8365fe13c7d148497b0b5
- 08 L 0868fcfe4c0345fdcdf5263d9fa49a6153f7b4540f943a6f92aa6c7b9944d32e
- 09 R 10022e6bf06cfb75a78f05cee456a51010fcbf7512149d8cd4e37afdefebf57b
- root 5ac1559693072e104631c8ff953858013ab0a1c79eb2a6cc085311d0889effbd