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 ₱18.7M contract to RAIN CONSTRUCTION CORPORATIONNational agencies

Transaction hash:

57b2ff594412cf2a9e3a4d6fd0e9dae1b8cf6aaa2c480ffcb6103d05bc3d10d9

Status:

Included and unchanged

Block:

#1,569 4,444 blocks after it

Position in block:

Transaction 19 of 52

Award day:

Sep 25, 2012 (14 yrs 1 mo ago)

From:

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

To:

RAIN CONSTRUCTION CORPORATION

Value:

₱18,736,613.15

Project:

Concreting of Road with Drainage System at Kalayaan Avenue (Delpan St. to Makati Avenue with Exception) District I, Makati City, Metro Manila

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 #1,569 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 RAIN CONSTRUCTION CORPORATION on 2012-09-25.
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 57b2ff5944…3d10d9now …
2. Block Merkle root changed
stored 8972fe1779…24db40now …
3. Block #1569 hash changed
stored 44ec9bb741…817a73now …

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

leaf 57b2ff594412cf2a9e3a4d6fd0e9dae1b8cf6aaa2c480ffcb6103d05bc3d10d9
01 L 573bc5ede9b13783ac0d38b5bba108c0b447fbc39680031e2092c39bffee8d80
02 L aeed4735593b3c91f441eafeace9fd170cbc43e91df39129e79a4619127daf7b
03 R 53ff4ec01ff05733d20cf00237175d30cd56cd77eb29069623ae01211ee3f81f
04 R c577eb25c3883137fb15a24591ae4155f4c056d300a46c83ecadef87cca0b55b
05 L bcc919e81669860edfc021890443274043e41c17a6cdedf928988a06075d60f5
06 R 374c7f207848587870ed1e2f7214b47c44daaed9ce267fc1a7572048ac629152
root 8972fe1779c9e45dea3515e2c8cc3b2c915dc572a5cf0ec422781464b524db40