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 - SMMSED Award a ₱2.4M contract to DAVHEZ TRADING & CONSTRUCTIONNational agencies
Transaction hash:
c90b4ebf14cd6ca17a73af07f9e0dcc48a32b2b2a9d739ffc35ec0a2b765c10d
Status:
Included and unchanged
Block:
#922 5,091 blocks after it
Position in block:
Transaction 5 of 14
Award day:
Aug 5, 2010 (16 yrs 3 mo ago)
Value:
₱2,380,460.61
Project:
Construction of School Building at Doña Manuela Elementary School, Las pinas City
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 #922 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 - SMMSED awarded it to DAVHEZ TRADING & CONSTRUCTION on 2010-08-05.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 c90b4ebf14…65c10dnow …
- 2. Block Merkle root changedstored 08ce3591dd…3741b1now …
- 3. Block #922 hash changedstored dbdf698494…a0167bnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (4 steps)
How this one record is tied to the block's Merkle root, without needing the other 13 records. Each step hashes the current value together with the sibling shown.
- leaf c90b4ebf14cd6ca17a73af07f9e0dcc48a32b2b2a9d739ffc35ec0a2b765c10d
- 01 L 87528c56acc1eacebb9a5333b2be92363d6a91611ec4eb05b3019d3af8a3d587
- 02 R 7cc3722edd17f77ef0209e85499debcbce67190a5442b41aae4bcc70b4d360a9
- 03 L 2e40bb034279c243383c70528abd5586ee60f443f2e8596da19c95bd9d51d9ed
- 04 R daaa815dc2da584cc6fc5af0ac6647cf8f2ce47c533648d73941d0bd2eb2959c
- root 08ce3591dd1576ae30fedc36f0b1c49b24684c7b1ace584a7f952430673741b1