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 ₱104.0M contract to GEMMA CONSTRUCTION SUPPLY INC.National agencies
Transaction hash:
ba856bca9f4cb38ebafb5e394a977fda2a7ad86643eaf59aca1ce52a681a50bc
Status:
Included and unchanged
Block:
#5,254 759 blocks after it
Position in block:
Transaction 213 of 295
Award day:
Aug 25, 2023 (3 yrs 2 mo ago)
Value:
₱104,046,954.27
Project:
23M00073
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 #5,254 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 GEMMA CONSTRUCTION SUPPLY INC. on 2023-08-25.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 ba856bca9f…1a50bcnow …
- 2. Block Merkle root changedstored a37185419f…f0f1e7now …
- 3. Block #5254 hash changedstored ce9feb3fcd…2041e2now …
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 294 records. Each step hashes the current value together with the sibling shown.
- leaf ba856bca9f4cb38ebafb5e394a977fda2a7ad86643eaf59aca1ce52a681a50bc
- 01 L b913560540b430554049b55f90a66492edebafb83f53a7eaba26359adbc347a6
- 02 R ae1b135a8d243ffc20cd8038b37d5e1938d3e2bd220f16a71e06669c70cb5d57
- 03 L 1b1a34bad4d0b78651082686fe2d377500740d98c41befcf50bed6a3ba318317
- 04 R 7fe57219167c2a068f4013fb26660fa85546baef23b6532a5e14b142ba87ce8a
- 05 L d75293af1774c7a49db4125ed009f73fb1154bee3559a5e32a3006cb2c094066
- 06 R 2e6afc8a02df3afa1d1529fe0b9c968e7f3aea59442c7c92367c0ff2de9768c0
- 07 L faaf834908cf13c798e852ddbe71db94a28af19e5f6056c1ff08396557f83d57
- 08 L 27daa027af59dc2945478e558b65dc2645a20ec4ac6a0d98cd1950cfd937381d
- 09 R c019a1f805421483e36b30d067896a54317ce1d5cee3bca7b7310514634f67c3
- root a37185419f7cea9aaef15e56504fa1985ad97df3c95d33cce9d864ea97f0f1e7