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 - RIZAL 1ST ED Award a ₱5.6M contract to MEGASTRUCTURE BUILDER AND TRADING CORPORATIONNational agencies

Transaction hash:

a2f4f3dbbbdb47fbe6a0a0c55eaa5e638ff1a3d06e8855f0af826a8c3d0aacb6

Status:

Included and unchanged

Block:

#2,297 3,716 blocks after it

Position in block:

Transaction 76 of 123

Award day:

Jan 15, 2015 (11 yrs 9 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - RIZAL 1ST ED

To:

MEGASTRUCTURE BUILDER AND TRADING CORPORATION

Value:

₱5,572,190.45

Project:

Const. of Multi-Purpose Bldg. San Isidro Antipolo

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - RIZAL 1ST ED

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 #2,297 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 - RIZAL 1ST ED awarded it to MEGASTRUCTURE BUILDER AND TRADING CORPORATION on 2015-01-15.
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 a2f4f3dbbb…0aacb6now …
2. Block Merkle root changed
stored b6d077a9e8…78efe1now …
3. Block #2297 hash changed
stored dbfe5229b5…c61863now …

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

leaf a2f4f3dbbbdb47fbe6a0a0c55eaa5e638ff1a3d06e8855f0af826a8c3d0aacb6
01 R a49d469242380ba7e12a0cf1babdd5b8c6994bcb410f33e3667fda6458d51830
02 R 5c6a625076e93135c09e36ed81556da53b42582200313112e6ce069da0fef046
03 L ed207efbc5036f8bb55043144440208719235551d40568a1ad5c3757514e48b4
04 L e15b8eb58d9e98f3ea0277ab936cf889f856a80c8005e227fb16b32f820f92b8
05 R 4c77fd2fef2e4c81a64fccc17599ef587d0571aa01e3b8895885309862a9dc12
06 R b970fa6ef72b75ff954ab4a5243626b91d60a3fe08c11cdf20418b3b1b87bdf3
07 L 4a3768e88c944941488b160afd9f407ea548ab4cfeab895a2387163a79d4e0ee
root b6d077a9e87822a9edb58d47e8c167d78af0cfce17bdf3dd66a672a28f78efe1