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 1ST E Award a ₱18.4M contract to PRECIOUS CONSTRUCTIONNational agencies

Transaction hash:

e3de3f8282233e2a53daeb028482bbe4e919bc96c72dde2915594462d9d4c438

Status:

Included and unchanged

Block:

#2,780 3,233 blocks after it

Position in block:

Transaction 117 of 128

Award day:

Jul 1, 2016 (10 yrs 4 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - METRO MANILA 1ST E

To:

PRECIOUS CONSTRUCTION

Value:

₱18,373,335.62

Project:

Construction of Multi-Purpose Building at Brgy. St

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - METRO MANILA 1ST 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 #2,780 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 1ST E awarded it to PRECIOUS CONSTRUCTION on 2016-07-01.
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 e3de3f8282…d4c438now …
2. Block Merkle root changed
stored 44c6d1ce1b…6e35a7now …
3. Block #2780 hash changed
stored 21ef240bcc…b3ff8enow …

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

leaf e3de3f8282233e2a53daeb028482bbe4e919bc96c72dde2915594462d9d4c438
01 L e3d5fdf6de50b85a95f07c2dd7634dcd5bfa8615eec4b0635535c0333d840b25
02 R f8d863ad2473222e64ea1611dc2e711046df57bce506fc34448411f65aad4495
03 L 2c4f37d79964944c32321362f40b3433f9b861ec7656c94852f4b977d65646bc
04 R f8226213deab354766321d9d9d38ed97c7719e6050b8d48d17a7ed67be68da53
05 L 9c8c8ce1e315f7013c4517eb62bf7acc1b6a8e7b2cf7278640f022a74bf1254f
06 L cf6c38ecd0a345bccc740e437672a20e877e5be00c470ca086b82722e525a5d3
07 L 084e89872d5be75838748f0db3e6342cf0ee584990323124d5c0753ef03b3eb5
root 44c6d1ce1b12d7e75d78d6edfb5a8af8c00eca8fd4629c494ea282712f6e35a7