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 - REGION IV-A Award a ₱48.2M contract to READYCON TRADING AND CONSTRUCTION CORPORATIONNational agencies

Transaction hash:

aa75d28f4fe3fa117459067188a0903757370dbdfff183f3f1e9791e5b152665

Status:

Included and unchanged

Block:

#678 5,335 blocks after it

Position in block:

Transaction 21 of 40

Award day:

Sep 1, 2009 (17 yrs 2 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION IV-A

To:

READYCON TRADING AND CONSTRUCTION CORPORATION

Value:

₱48,202,368.21

Project:

Asphalt Overlay/Improvement/Rehabilitation of Balagtas, Batangas City-Natunuan, San Pascual Road, Brgy. Balete, Batangas City

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION IV-A

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 #678 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 - REGION IV-A awarded it to READYCON TRADING AND CONSTRUCTION CORPORATION on 2009-09-01.
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 aa75d28f4f…152665now …
2. Block Merkle root changed
stored 18b94f7b92…4dd51fnow …
3. Block #678 hash changed
stored 2932a091d5…4f8ae2now …

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 aa75d28f4fe3fa117459067188a0903757370dbdfff183f3f1e9791e5b152665
01 L a214d7bb8acb87971305c495b9c524a959b4c609ace518564a8f96a314e9f7fa
02 R 0f2e5b46d5bb195f2ceb745c688b1edbf3efa83cd6fbd86e25ddef7690f7940d
03 L 6e4defffd416ebd437e5438ef410634a6e5da1133014185f2af6997c1bef50e6
04 R 16be186229e45a619b88c1066e7f4b6d0854fcdb3338feea284f9e881d73cbff
05 L 29351f34043524ad5b0cbe137227a2fbfe115377a790ea6ebc794c698714d1e3
06 R 1d45de3fd08dffe3731410063415ccc9324652fb27801bce544adbd0b790735a
root 18b94f7b92d74246dfd7fe361f7eda707556791250bbae8463607bbb4b4dd51f