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 - METRO MANILA 2ND E Award a ₱9.6M contract to ILFREO CONSTRUCTION & TRADINGNational agencies

Transaction hash:

0c1a005df24eb47cf23f6c8fd427195e6a9e06445f31f7b31067d03dbd0c195f

Status:

Included and unchanged

Block:

#2,421 3,592 blocks after it

Position in block:

Transaction 7 of 106

Award day:

Jun 1, 2015 (11 yrs 5 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - METRO MANILA 2ND E

To:

ILFREO CONSTRUCTION & TRADING

Value:

₱9,602,968.12

Project:

Construction of Additional Classrooms

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - METRO MANILA 2ND E

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 #2,421 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 - METRO MANILA 2ND E awarded it to ILFREO CONSTRUCTION & TRADING on 2015-06-01.
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 0c1a005df2…0c195fnow …
2. Block Merkle root changed
stored b993a69340…be6aadnow …
3. Block #2421 hash changed
stored 48680f4fa8…0ae7d0now …

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

leaf 0c1a005df24eb47cf23f6c8fd427195e6a9e06445f31f7b31067d03dbd0c195f
01 L 05a7f2ff802fc1bc7d5ca394a31077a0d008de5b4209fbf7b361bcd79eee0bb6
02 L cb675f42bd17f815eba7b2136a0e8a7c96be7a00fbdee0f307c07dad6bc5d9f1
03 L 2dc63b1f6288ab45c33e015fa87f32cb943323d6fb654bff621ea4731bb1788f
04 R 001504b98ac84b8cd629e1587e10be1731614fa4e0a02cfda09db5c07d15dc59
05 R cf1b1af98732435ceea11424a428b50b83cd98d566893ba5298e3b70aa9cb174
06 R a1afcdcc4c029866a271b384f6420c141907a489942a9f80f5d30f62abe6c96a
07 R 9358e583bc83f104780d46dd1b71417f4e6de0e9a33ebd86629593c513b50cd6
root b993a693405865498c335025194cf01e6fb1cbc83835ead6dc49ca83fcbe6aad