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

DPWH NUEVA ECIJA 2ND DISTRICT ENGINEERING OFFICE Award a ₱1.9M contract to DG. SARMENTA CONSTRUCTIONNational agencies

Transaction hash:

43bfdfb03b6e55fbd88f99bcff297fe0c50956e070c6b261f26cce188be20508

Status:

Included and unchanged

Block:

#1,562 4,451 blocks after it

Position in block:

Transaction 10 of 51

Award day:

Sep 17, 2012 (14 yrs 1 mo ago)

From:

DPWH NUEVA ECIJA 2ND DISTRICT ENGINEERING OFFICE

To:

DG. SARMENTA CONSTRUCTION

Value:

₱1,943,252.50

Project:

12-CF-0095 Asan Flood Control (Desilting), Macasandal, Gabaldon, N.E.

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DPWH NUEVA ECIJA 2ND DISTRICT ENGINEERING OFFICE

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)
DPWH NUEVA ECIJA 2ND DISTRICT ENGINEERING OFFICE awarded it to DG. SARMENTA 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 43bfdfb03b…e20508now …
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 43bfdfb03b6e55fbd88f99bcff297fe0c50956e070c6b261f26cce188be20508
01 R 4d7a4d519b14376258e4f56bdf63e94d18c16c22ed609a84ad25e4bf9e91d2be
02 L d4d8617e75964ae1ddeb5d857f9721e354e05a443aced33a0e37d9a2cb0d9129
03 R 6094bb86c8e3522b80793858b8f046fa6fc216bd56295221a958b7520616c465
04 L 50f2009480ac73631df39c7dc5fcaafe81b46447b0d79a568fdce4954267183a
05 R 7f5a441dd4191ac422abe7380b2b3abb19f31bd4bfa826d3d858839b8e3ce897
06 R c1ba8fdd9abf1fa3f5233bd45122f732a3de77c426f009b643a27fe844c3c399
root 13fca5c5e848bcd6832e063fe3cc3075ca53db1eb93f2019e1b823d27e2e7aa1