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 - NEG. OCC. 3RD DEO Award a ₱4.8M contract to H.L.J. CONSTRUCTION & ENTERPRISESNational agencies

Transaction hash:

2855bcba67365732140af83c75460511a509f6b5f852092d688de8c63a1adaa6

Status:

Included and unchanged

Block:

#1,352 4,661 blocks after it

Position in block:

Transaction 13 of 83

Award day:

Jan 16, 2012 (14 yrs 9 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NEG. OCC. 3RD DEO

To:

H.L.J. CONSTRUCTION & ENTERPRISES

Value:

₱4,819,212.40

Project:

Rehabilitation/Reconstruction/Strengthening of Talagpun-ay Bridge along Candoni-Sipalay Road at Candoni, Negros Occ.

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NEG. OCC. 3RD 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 #1,352 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 - NEG. OCC. 3RD DEO awarded it to H.L.J. CONSTRUCTION & ENTERPRISES on 2012-01-16.
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 2855bcba67…1adaa6now …
2. Block Merkle root changed
stored 45a6f49229…a864fdnow …
3. Block #1352 hash changed
stored a2f8060250…05c601now …

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

leaf 2855bcba67365732140af83c75460511a509f6b5f852092d688de8c63a1adaa6
01 L 26056d66e6f8968699d1c2c4364abebf707b2ebe2870b19bc1ad0d5eb8af7e25
02 R 19c3dd12c83c073bde815b0a98454ee263c1b5affa0c19b2c1154527bbb94bc2
03 L 3db3ee0df9578ad8bcfe5fbaba35af7d0434498f1d14809f50733820341b7b2d
04 L 97c7500c68cbf0ccfcf26b988394766d73e6e83dcad03aaf3dd64d62182fc878
05 R c15c279457d2580abe4dc6acf52d4612cf055b506d252155f4dec4edb077e671
06 R d903e9896dc9b0a21026132a0addea2e961d57083156e41ca2b18673d8f594ab
07 R 853e940814dff9b913cc12ae93e7c92df34c9afd88cebba8e528471a3a5152f0
root 45a6f492298edafa0b1f9c9e093433c1e131588d73af6033eecb0d98a3a864fd