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 HIGHWAYS - NORTH METRO MANILA Award a ₱3.3M contract to A.M. SALONG CONSTRUCTIONNational agencies

Transaction hash:

bf548b54a271e0921054cdf9f3ff35c3b819bbcbf4a1e8c9d873d9403a99d887

Status:

Included and unchanged

Block:

#3,486 2,527 blocks after it

Position in block:

Transaction 176 of 230

Award day:

Jul 24, 2018 (8 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NORTH METRO MANILA

To:

A.M. SALONG CONSTRUCTION

Value:

₱3,320,437.00

Project:

Local Infrastructure Program

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NORTH METRO MANILA

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 #3,486 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)
DPWH lists the funding source as "Regular Infra - GAA 2018 LP", i.e. the FY2018 GAA. The exact UACS line is not given.
Partly
Open
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 HIGHWAYS - NORTH METRO MANILA awarded it to A.M. SALONG CONSTRUCTION on 2018-07-24.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 18OE0101: Completed, 100% physical progress.
Found
Open
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)
DPWH marks the contract "Completed" (end 2019-01-03). The certificate itself is not published.
Partly
8. Audit
COA annual audit report · Sec. 5(e)(iii)
No COA finding linked to this contract.
Not published

2 of 8 documents found, 2 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 bf548b54a2…99d887now …
2. Block Merkle root changed
stored b30ed96d07…693e90now …
3. Block #3486 hash changed
stored c1eae98de1…adf36enow …

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

leaf bf548b54a271e0921054cdf9f3ff35c3b819bbcbf4a1e8c9d873d9403a99d887
01 R c087aedfd12022dac043c8a031409afcbf1b9fa80f1c7774f03458e2233fac12
02 R 336d05732f501190640327fb34da807bd7a2c76ab2c53e9b7b77f2ca7618b65b
03 R a01fa706f78991bb69696636acffb6621582981bf45b76b333c3ea0dc6eec444
04 R eb14371675c41b0369afca00c3f78f003bb909184641582c79c60bdc5f965205
05 L fc1dde2b3ec891f6df7f10df80c8ebdf2b02490230415e45d037baec258186ee
06 L 98edab6b2fb789bf6405b836ebec8fb820b0903bbbc56485bcc58e680bbcce77
07 R e346dfadd3e321754062bc13520b3b4e131cf912d3e2f41b4ed41b91006f86af
08 L d5b83dd14219f7973eefb3075de2d83c482d9cb9708de5dff8e84a0ae4cbca32
root b30ed96d0711ba4f7abfefcb34e3a1d64ff8143ef8f96082d76d182985693e90