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 ₱959.7K contract to ECDA CONSTRUCTIONNational agencies

Transaction hash:

3defb41fed0450c8fbf02bf8dc26d43550b4277368de14534428d47a2acde551

Status:

Included and unchanged

Block:

#1,562 4,451 blocks after it

Position in block:

Transaction 9 of 51

Award day:

Sep 17, 2012 (14 yrs 1 mo ago)

From:

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

To:

ECDA CONSTRUCTION

Value:

₱959,693.17

Project:

Repair/Rehabilitation of Brgy. Road at Brgy. Sta. Ana, Taguig City (Poblacion Area)

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 #1,562 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 ECDA CONSTRUCTION on 2012-09-17.
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 3defb41fed…cde551now …
2. Block Merkle root changed
stored 13fca5c5e8…2e7aa1now …
3. Block #1562 hash changed
stored 2705a0384d…9f9cb1now …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (6 steps)

How this one record is tied to the block's Merkle root, without needing the other 50 records. Each step hashes the current value together with the sibling shown.

leaf 3defb41fed0450c8fbf02bf8dc26d43550b4277368de14534428d47a2acde551
01 L 3b7b663681e37b7792e94d4402b0c906bcc43990ced24bfb07358c6cb331a4b5
02 R 200017326983ae06798ae7b550c80a655487f0d4709caa042b9b7b268d97329c
03 R 6094bb86c8e3522b80793858b8f046fa6fc216bd56295221a958b7520616c465
04 L 50f2009480ac73631df39c7dc5fcaafe81b46447b0d79a568fdce4954267183a
05 R 7f5a441dd4191ac422abe7380b2b3abb19f31bd4bfa826d3d858839b8e3ce897
06 R c1ba8fdd9abf1fa3f5233bd45122f732a3de77c426f009b643a27fe844c3c399
root 13fca5c5e848bcd6832e063fe3cc3075ca53db1eb93f2019e1b823d27e2e7aa1