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 ₱65.0M contract to GEMMA CONSTRUCTION SUPPLY INC.National agencies
Transaction hash:
c16ae0ef4d2ffbe6bbc78d73fd1ddc20f6c5d8316aac7dc91a8a2f96d94f9b5d
Status:
Included and unchanged
Block:
#2,663 3,350 blocks after it
Position in block:
Transaction 180 of 234
Award day:
Feb 15, 2016 (10 yrs 8 mo ago)
Value:
₱64,989,231.11
Project:
Construction Project
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 #2,663 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 2016-02-15.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 c16ae0ef4d…4f9b5dnow …
- 2. Block Merkle root changedstored ff54c96bf4…fc01b4now …
- 3. Block #2663 hash changedstored aa47eade46…c84fdbnow …
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 233 records. Each step hashes the current value together with the sibling shown.
- leaf c16ae0ef4d2ffbe6bbc78d73fd1ddc20f6c5d8316aac7dc91a8a2f96d94f9b5d
- 01 R c1988d06ed582cb456c206eddd180ac44471427c347333f9085227d00b5dc374
- 02 R e7967035c4f1a22bbe31b442f2f423734748824d01cd81456a7d4b6d7e1c7b89
- 03 L b1cbd5576662651f4d34be6f1bb19046ef275640c865195aac2a937ba97987b5
- 04 R ab72b0bb5cb0ee918d69be82e7a31bf58fbe0968cf22f65d9e6a7203e401274e
- 05 L d84b5e3a4eee71bc3241dfb60aa13692bbb41d2c5477c20e5b24b6c65237a56b
- 06 L 29758b903c1e95b9d30750744da02e7db34a780f20b2d1590dd8269155bfef98
- 07 R f84d5b9fe0557522fff20a5ad61109148fffd9fb43862a22b57853f0626fbca2
- 08 L 4363199113c551b726b80230d4c77f93c69c8d05b5c65c2d805e6f02efbac225
- root ff54c96bf48bffb72f5e2b27224f7c6acb2264ac28ca3804947762db90fc01b4