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 EDUCATION - DIVISION OF LAGUNA Award a ₱3.0M contract to M.G. VILLAMIN CONSTRUCTIONNational agencies
Transaction hash:
b74df629927951189fb8a8dc21a770a9782a07a1a9e1ca60d65b14d12b5257ee
Status:
Included and unchanged
Block:
#2,545 3,468 blocks after it
Position in block:
Transaction 201 of 287
Award day:
Oct 12, 2015 (11 yrs 1 mo ago)
Value:
₱2,966,808.25
Project:
CY 2015 BEFF Repair of Classrooms Batch 1-Cluster9
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 #2,545 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 EDUCATION - DIVISION OF LAGUNA awarded it to M.G. VILLAMIN CONSTRUCTION on 2015-10-12.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 b74df62992…5257eenow …
- 2. Block Merkle root changedstored 9dabc179c4…76b058now …
- 3. Block #2545 hash changedstored 4dea722aaa…65047fnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 286 records. Each step hashes the current value together with the sibling shown.
- leaf b74df629927951189fb8a8dc21a770a9782a07a1a9e1ca60d65b14d12b5257ee
- 01 L b7003214096a19a0923fc6fce2ea52e0796aaa53b969c481ce22965a81bdcda4
- 02 R bd8bd13ff633e28ec9a7dc69dfa836d38d53b7de2882352c891347a094cc38a3
- 03 R cdd992bceb70c13ccc6e54936b7064a257888ee2b9d8375c4e0d333f8a414587
- 04 L c88c129d5ed9a260ebee09fe8b26a1fe58e2746fb2ca75c39d1570994bd3cd7d
- 05 R 7209a85c7bea6001500ccf70cedf41b82604cd240003b453ea4080a3f291f757
- 06 R d009a36a662380c0d9b70bcb190262a2b1881cb4c87728ee6b3861ac78fa9604
- 07 L f8b2c42e38b45181ccd729a8b9de43369061029ae8adc544af4a04b97f177d00
- 08 L 325ed6ca055bd4658b1a92be40986aff861bc524bacbf074006538e0d3079c33
- 09 R 47cae36e637131ae224df834cfda1a04537658daceb08fcaf17e11f53e0cacbc
- root 9dabc179c4909355eb77ff4b8682e058b44aa13ab5e79b367d7941455476b058