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 - SARANGANI DEO Award a ₱19.3M contract to GRACE CONSTRUCTION CORPORATIONNational agencies

Transaction hash:

ce8a8a3e64f288029d7d7ca9ce1b3fbd8b68b79dc6189efd7bf37cbe30c82072

Status:

Included and unchanged

Block:

#620 5,393 blocks after it

Position in block:

Transaction 13 of 15

Award day:

Jun 16, 2009 (17 yrs 4 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SARANGANI DEO

To:

GRACE CONSTRUCTION CORPORATION

Value:

₱19,262,726.88

Project:

09ME0018 Rehab/Impvt/Repair of Sarangani-Sultan Kudarat Coastal Road

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SARANGANI DEO

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 #620 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 - SARANGANI DEO awarded it to GRACE CONSTRUCTION CORPORATION on 2009-06-16.
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 ce8a8a3e64…c82072now …
2. Block Merkle root changed
stored 207b43d772…fb91a0now …
3. Block #620 hash changed
stored a38465e2ce…0da657now …

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

Merkle proof (4 steps)

How this one record is tied to the block's Merkle root, without needing the other 14 records. Each step hashes the current value together with the sibling shown.

leaf ce8a8a3e64f288029d7d7ca9ce1b3fbd8b68b79dc6189efd7bf37cbe30c82072
01 L cd5aaf81f7c05dd34b3375eafaf28e202073745541c1ad9351c2bcfb8837609e
02 R 57ce4492a32e58d7c6b8c85e8d661dc8a7a73edadd4e96fd9f7eb8185388dd9f
03 L 68d2e7ec4c0147cfd62f328ef51fee76492e17d17aa3bf18f53506a32f056972
04 L 372bd76c0b8a6f596d5611e7cb1a7ce61c0d5cc0f3e89623f43b4188100c061a
root 207b43d77266c2421fa145ea3995746813b68760895494b3359fd049b9fb91a0