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 - ALBAY 2ND DEO Award a ₱18.7M contract to ALRO CONSTRUCTION & DEVELOPMENT CORPORATIONNational agencies

Transaction hash:

da19bc87686ae39c6697cd5ba0f30edaaf36fcda79fed5f2e929bd85bd5003d2

Status:

Included and unchanged

Block:

#1,831 4,182 blocks after it

Position in block:

Transaction 47 of 53

Award day:

Aug 13, 2013 (13 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ALBAY 2ND DEO

To:

ALRO CONSTRUCTION & DEVELOPMENT CORPORATION

Value:

₱18,674,755.08

Project:

P-1 Sitio Maypajo to P-1 Sitio Laom KM.16 to P-2

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ALBAY 2ND 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 #1,831 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 - ALBAY 2ND DEO awarded it to ALRO CONSTRUCTION & DEVELOPMENT CORPORATION on 2013-08-13.
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 da19bc8768…5003d2now …
2. Block Merkle root changed
stored f335c9290f…1ed56dnow …
3. Block #1831 hash changed
stored 3f2b86f23d…4d049fnow …

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

leaf da19bc87686ae39c6697cd5ba0f30edaaf36fcda79fed5f2e929bd85bd5003d2
01 L d59c27d74adfb1d64c792a5ece3eff3efa3e5d92f20843aff2b712299fa5ef7d
02 L 1738e8ce73de98f2f34351aa1e33f49716cc9b47dae07ae592c29a4c7003f778
03 L 31d5bac21b635bd71fbfe2e5b451cdd02c2e51e9790e85657766e015badaa655
04 L c88c2efdcce8fe84f389f9aaacaf8b22157e63077acf4bec8f061b2f6ee43de9
05 R ba57ec9d30f6dbb9c2d5e71aab71a30a583e710851ba4521e522f1fa1fe0baf8
06 L 341d2f720921fc85ab73d90d1509424ab317c9173105dc327b65e764ca64f593
root f335c9290fe4e38ab41a663e4fd4e3cd2ef8a20585067fc8e96c4945ab1ed56d