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

CITY OF SURIGAO, SURIGAO DEL NORTE Award a ₱256.3K contract to AMA CONSTRUCTIONCities

Transaction hash:

7820a5061d4eabffb984c8dd8d088c8777df692e238189fe62423bdb2000f9ff

Status:

Included and unchanged

Block:

#798 5,215 blocks after it

Position in block:

Transaction 19 of 40

Award day:

Feb 12, 2010 (16 yrs 9 mo ago)

From:

CITY OF SURIGAO, SURIGAO DEL NORTE

To:

AMA CONSTRUCTION

Value:

₱256,308.00

Project:

Construction of Sitio Pinaypayan Road, Brgy. Mat-i, Surigao City

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

CITY OF SURIGAO, SURIGAO DEL NORTE

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 #798 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)
CITY OF SURIGAO, SURIGAO DEL NORTE awarded it to AMA CONSTRUCTION on 2010-02-12.
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)
COA's CY2024 audit of City of Surigao gave a "qualified" opinion on its financial statements (not specific to this contract).
Partly
Open

1 of 8 documents found, 1 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 7820a5061d…00f9ffnow …
2. Block Merkle root changed
stored c818efb387…ad81e8now …
3. Block #798 hash changed
stored da6d505413…afeee8now …

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

leaf 7820a5061d4eabffb984c8dd8d088c8777df692e238189fe62423bdb2000f9ff
01 L 77fb656d4f0061bce95d196aa292889bdc598e5bb13663005ca34dd69a1b0e1e
02 L ff49293fa8eaecf524a68a29fb3bf0302a0072aa42fa138b0b7d794e7e3273b0
03 R 15d2261f19df290b7e5c5c425a7c36a78317ffac6fabcf3a8020ed858f02a73f
04 R c35c23fccfae5175bd3c4dd0c0937644cb371264e1952cd09f1f6996e695c310
05 L d0cadb0bd371abade7a4e4eb31a66f31e8da6c8a220e36f808748c683dd269fb
06 R 6d90a03798b3066fe60b8199a54b44dba7cebb353b1f8a2dea8f2c16c5eba3f5
root c818efb387a30710fa667c4b78dd7c66b41d5263d28ccb93fb59bbd510ad81e8