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 - SURIGAO DEL SUR 1S Award a ₱4.8M contract to L.C. TING CONSTRUCTIONNational agencies

Transaction hash:

4ac9acf044b95bf09a4037be7552fa2c3f240453ab4f62e6e51fedcbad0b53e5

Status:

Included and unchanged

Block:

#542 5,471 blocks after it

Position in block:

Transaction 4 of 13

Award day:

Feb 24, 2009 (17 yrs 8 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SURIGAO DEL SUR 1S

To:

L.C. TING CONSTRUCTION

Value:

₱4,765,033.97

Project:

Improvement/Construction of Slope Protection along SDCR, Lambonao Section

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SURIGAO DEL SUR 1S

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 #542 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 - SURIGAO DEL SUR 1S awarded it to L.C. TING CONSTRUCTION on 2009-02-24.
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 4ac9acf044…0b53e5now …
2. Block Merkle root changed
stored f23a20ac54…14bf93now …
3. Block #542 hash changed
stored 09a6a31b8d…ec085anow …

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

leaf 4ac9acf044b95bf09a4037be7552fa2c3f240453ab4f62e6e51fedcbad0b53e5
01 R 5ddaa7fae442ba10b97a6d4d2bdf5f75d341b0b7833f236698456d6bd5551b7f
02 R 73d35bc449fd5049567ae45eb374f9492de53c7d276a0172e41489f64d2107f7
03 L 1d31d8edc242b98818382343401e16b813d80559b3213790bf0b197ef544729a
04 R c1c2f773213e8301a5e66091117ec311baed1107f2f80b01d79fd460a2548514
root f23a20ac54380a11d73f8b90c1618e1dc09c4e15474c8dff4086eee94f14bf93