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 - SURIGAO DEL SUR 1S Award a ₱11.0M contract to CM TAN CONSTRUCTIONNational agencies
Transaction hash:
9fae21e1affdfbb02ca76d3aded18fa5b1b10e0c15feb54d9efbd787320ef8fe
Status:
Included and unchanged
Block:
#3,245 2,768 blocks after it
Position in block:
Transaction 132 of 209
Award day:
Nov 14, 2017 (8 yrs 11 mo ago)
Value:
₱11,038,203.79
Project:
17NH0096
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 #3,245 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 - SURIGAO DEL SUR 1S awarded it to CM TAN CONSTRUCTION on 2017-11-14.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 9fae21e1af…0ef8fenow …
- 2. Block Merkle root changedstored d5665ca1a6…754785now …
- 3. Block #3245 hash changedstored 8701b5bc3c…b99b9fnow …
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 208 records. Each step hashes the current value together with the sibling shown.
- leaf 9fae21e1affdfbb02ca76d3aded18fa5b1b10e0c15feb54d9efbd787320ef8fe
- 01 R 9ff44556879cd1ef2ab57de41362f89671f17effe8a263afc0e9663fc36a3094
- 02 R fa0191b3b5a7d7ce306f91fb925a9d1b5bf2648965223963521af1d58f09b3c9
- 03 L 5bd2e0c9bcf54bb98d86a613b46f256c7d6787bb10910a820c205bfdc2adb230
- 04 R e2dcdabc5f5a8d2c26f0982568a883a901d212b56524c0035037520af5a1af66
- 05 R b1bcce16bb72f39c7bdb1fa519c59c20783b5b7d00f9e7df223f720aedf12831
- 06 R 2dd270b78c0b8f7c36fa55ab9e6cd140248e8d47e844fe7ae5f4e72fbb0810df
- 07 R 3bd444d1221fe541d095a584ca625808618563d9f1c51dd3f7319bbb060cdc26
- 08 L 7971ed13f968997e9b31f92c50fc97141ddfe569311e4911b3cab2cd557ac3e7
- root d5665ca1a6f2402b98a4ad5b7ba56a784a1cb577465c4ceb139e9fcdbc754785