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 - LA UNION 2ND DISTR Award a ₱382.0K contract to E. E. MADAYAG CONSTRUCTIONNational agencies
Transaction hash:
cb4f4baff156e9ff2dee7b75acdf6ec670cf0be45a070301a287f76a3e27e32c
Status:
Included and unchanged
Block:
#1,899 4,114 blocks after it
Position in block:
Transaction 67 of 80
Award day:
Oct 24, 2013 (13 yrs ago)
Value:
₱382,005.20
Project:
13AF0090
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 #1,899 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 - LA UNION 2ND DISTR awarded it to E. E. MADAYAG CONSTRUCTION on 2013-10-24.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 cb4f4baff1…27e32cnow …
- 2. Block Merkle root changedstored 09768f6bad…a54bc8now …
- 3. Block #1899 hash changedstored bd2740e60e…3a5bb0now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 79 records. Each step hashes the current value together with the sibling shown.
- leaf cb4f4baff156e9ff2dee7b75acdf6ec670cf0be45a070301a287f76a3e27e32c
- 01 L c97ed59b4f40384958d0bd820fee53c6b21c98117608a0bd8601fc305a38da74
- 02 L bdfd09d078ee8d6bb8066dad2fea546082fe43c8c301d2ec345c4bcaa53a4119
- 03 R cb76d27a8a429990b122e75a500ad6dca27512b1dbacf942960a7a3f00094cae
- 04 R 7aab70337afcbacde5484b8e2a29ab45463353ae774306987d51144e8edf7fc3
- 05 R 0d4e778888d4a90852ba57b21f06dbf86587a0f3f0c2a82e0444581fedf532a1
- 06 R 7f8508e9fe9044d4c0f3a2fc5193ea05c1a2f5679d777b8d35e7a9bdcf2c511a
- 07 L b6b04cd16c95e680205a7eba82fd7f35a0e7fc7f25bd7f242b1aa4db79dc2af6
- root 09768f6bad10aa4f77eaf9387e0a12816ae6441b7f049615c1d1cc8cc1a54bc8