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 1ST ED Award a ₱2.5M contract to E. E. MADAYAG CONSTRUCTIONNational agencies
Transaction hash:
bb0a52ae9733b2cb7c4ba60f46af4e4c59d156e7b05006ef6ed3906a5cb3da15
Status:
Included and unchanged
Block:
#2,820 3,193 blocks after it
Position in block:
Transaction 107 of 143
Award day:
Aug 12, 2016 (10 yrs 3 mo ago)
Value:
₱2,506,436.06
Project:
16AE0089 Civil Works
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 #2,820 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 1ST ED awarded it to E. E. MADAYAG CONSTRUCTION on 2016-08-12.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 bb0a52ae97…b3da15now …
- 2. Block Merkle root changedstored 75101feba7…40c841now …
- 3. Block #2820 hash changedstored 35b0e9fa35…354d41now …
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 142 records. Each step hashes the current value together with the sibling shown.
- leaf bb0a52ae9733b2cb7c4ba60f46af4e4c59d156e7b05006ef6ed3906a5cb3da15
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- 02 L e858d840df52281f4ad5a825ef624ad5159eb557c4ba1271ec47f58b503ff35e
- 03 R 15ed8ae40694b96df751954a0baf81be138aeeb62eea7dda472efc1e64a65ac9
- 04 L cbcbb0bbd389e7f33391426228403745f29478f272f004e8de5bbe0b2d839b43
- 05 R 72bf3db568634a9352b1f0fef921b918d5a5fa618c319e2e784be51252158b0f
- 06 L fc57744df7ca9c2b5dfd8afe78eadb71d60c9f6eb92c936b19cd197f75f78e7a
- 07 L b1dcffabdec9bda63c5b20c3d2e847481fd5fae634f6ca00103317bedc207940
- 08 R a738cd6b29c1779fd14d8a2fd44f42daa013906ec09df1d84858d0a77f738048
- root 75101feba77d8c9cb70a78146b32a41eaab8e77bc0b6aab4327f99abc740c841