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

API

Transaction action

DEPARTMENT OF PUBLIC WORKS AND HIGWAYS - AGUSAN DEL SUR 2ND Award a ₱18.1M contract to A.T. DUMLAO CONSTRUCTION, INC.National agencies

Transaction hash:

b33b7afd72131b89d3455cb4b97bb3a0ad6bf8ab60986ecea40b47f799f1a483

Status:

Included and unchanged

Block:

#1,349 4,664 blocks after it

Position in block:

Transaction 69 of 109

Award day:

Jan 13, 2012 (14 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGWAYS - AGUSAN DEL SUR 2ND

To:

A.T. DUMLAO CONSTRUCTION, INC.

Value:

₱18,071,165.51

Project:

Rehabilitation/Reconstruction of Hubang Bridge along Daang Maharlika (Agusan-Davao Road) km. 1307+410 - km. 1307+536 with exception, San Francisco, Agusan del Sur

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGWAYS - AGUSAN DEL SUR 2ND

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 #1,349 signature valid Demo key, proves nothing about the governmentPublic key

Linked records: from budget to payment

Bill Sec. 5

1. Appropriation
GAA line item · Sec. 5(b)
The award does not say which budget line pays for it.
Not published
2. Allotment release
SARO / allotment · Sec. 5(c)(iii)
Not published per project. DBM releases SAROs, but not linked to individual contracts.
Not published
3. Cash allocation
Notice of Cash Allocation · Sec. 5(c)(iv)
Not published per project.
Not published
4. Contract award
Notice of Award (PhilGEPS) · Sec. 5(d)
DEPARTMENT OF PUBLIC WORKS AND HIGWAYS - AGUSAN DEL SUR 2ND awarded it to A.T. DUMLAO CONSTRUCTION, INC. on 2012-01-13.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
No matching DPWH contract record (only DPWH contracts are listed with progress).
Not published
6. Payment
Disbursement voucher · Sec. 5(c)(viii)
Not published. No public source shows how much of this contract has been paid.
Not published
7. Completion
Certificate of completion · Sec. 5(d)
No completion certificate published.
Not published
8. Audit
COA 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

Demo

Edit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.

Contract amount (₱)

1. Record fingerprint changed
stored b33b7afd72…f1a483now …
2. Block Merkle root changed
stored d8431eda1f…382044now …
3. Block #1349 hash changed
stored 9b60b03a89…cf8881now …

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 108 records. Each step hashes the current value together with the sibling shown.

leaf b33b7afd72131b89d3455cb4b97bb3a0ad6bf8ab60986ecea40b47f799f1a483
01 L ad8564672c597cd8dde8a39f5760a134c90f254317464b82c2d4f62cfca305f1
02 R 0f206d07753fe23e3b5c534dbac535170bbe625ec6947e93e73a18ab3d67d2e5
03 L 1d219fb3f8d063170e32e313c5e1bf002881597dde4d44b45f86780d4e0ee61e
04 R d0c7f3b96a126e83c54e4402f2ec08e23839dbf8398e84f98e16daba39f89301
05 R 2f12ee05f59c7591b297f5fbd83554944bd91570b9cb47c828780f8a5ad2300b
06 R 862909fd6d12d39a32401c82deee5646ed3d209fb0082790b8c31b5cf579d4a8
07 L a871f6057392edbc780652cb8bf4779482cd50af044862206a41ca33c353f595
root d8431eda1fabb275d8dea3fa9552d6b90533eb11be7cdaf6ed56b337c7382044