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 - AURORA DEO Award a ₱2.0M contract to SYMMETRICON BUILDERS CORPORATIONNational agencies

Transaction hash:

69e48effe4dead82dfd74a3f3a8a535ecb1996ad7c89820715bdfdb72ec80952

Status:

Included and unchanged

Block:

#3,129 2,884 blocks after it

Position in block:

Transaction 50 of 107

Award day:

Jul 11, 2017 (9 yrs 4 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - AURORA DEO

To:

SYMMETRICON BUILDERS CORPORATION

Value:

₱1,989,295.36

Project:

17CN0129

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - AURORA 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 #3,129 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 - AURORA DEO awarded it to SYMMETRICON BUILDERS CORPORATION on 2017-07-11.
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 69e48effe4…c80952now …
2. Block Merkle root changed
stored 5acf1f8237…e42c7cnow …
3. Block #3129 hash changed
stored c633ef4601…f48b0enow …

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

leaf 69e48effe4dead82dfd74a3f3a8a535ecb1996ad7c89820715bdfdb72ec80952
01 R 6b592b86775564e7f0f4ffd05c2a90e28c127b239b35d1bf8bd2ed33d224f821
02 L 68a29111345ca09cd96131edf1d0239cd17ce7d7b3a439af11a79f2db8f7ef70
03 R 8ab26178b891fe39c73ece0e3b0c0e00093864c8f43209175bdc52efba7446d6
04 R 92a1b90a905b540a53758fd1267b962f9dc65562f6403abe1f7b7ef3792bf23b
05 L e73a80bcd464bca507d294f73d54d383b3ed81c2f96f4f5bdeec0beaf9653a37
06 L 0e746f2eb69a2172e0962601446f14b3596df03e820840170117b4101eb3717b
07 R 5706b7040e2cc51162013a1e1a8ddbbcef1d6eb876df54dfb339045b9a461ccf
root 5acf1f8237c5b004bd014a1e4cecfa9704221b8ed49e107620cdb3bd84e42c7c