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 - METRO MANILA 1ST E Award a ₱17.5M contract to NORTHERN BUILDERSNational agencies

Transaction hash:

d4aa64aaa3c193fa0a6e33680258964d5cb72e6149891869076a4ab2c15b5926

Status:

Included and unchanged

Block:

#1,981 4,032 blocks after it

Position in block:

Transaction 95 of 113

Award day:

Jan 24, 2014 (12 yrs 9 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - METRO MANILA 1ST E

To:

NORTHERN BUILDERS

Value:

₱17,543,460.88

Project:

Construction of Slope Protection with Gabions as F

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - METRO MANILA 1ST E

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 #1,981 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 HIGHWAYS - METRO MANILA 1ST E awarded it to NORTHERN BUILDERS on 2014-01-24.
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 d4aa64aaa3…5b5926now …
2. Block Merkle root changed
stored 728dc1874f…b06205now …
3. Block #1981 hash changed
stored fe04138783…365327now …

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

leaf d4aa64aaa3c193fa0a6e33680258964d5cb72e6149891869076a4ab2c15b5926
01 L d31923d74721aa86ced00fce816306c28bab3bdd15df643ce44879466e79dca6
02 L d714e57186f22f833df64bb1c17dd8ff7d3d2e4bda8ab631fd74ab5aab9cd319
03 L 8ce317fd98195dac828784c7efbbd68582206dd4baaef9e2b65c1b717da36d3f
04 L ede2d22722ab97dfea33136df481cc801d43eb309bc0a3fd38e57f783ec5c66c
05 L 727d55574075a557f6ac8f42e09549bbfba76f1dbc237ea5ddc3d413580ea6bb
06 R cb711f3f382135b7d1f62f51d945f3db61bc2666f003ffa1476489a23acbc7bb
07 L 5fc6b64a1a5fda94611583e32c6b280dafc5e3343aa01a17b398b6b597557898
root 728dc1874f142973e0e9d119b80338eee862ab1ad594dd7d8986dedc6fb06205