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

METRO MANILA DEVELOPMENT AUTHORITY Award a ₱5.0M contract to HB CONSTRUCTIONNational agencies

Transaction hash:

fd95c362a3634e4e54e6fbac68ed5a93a03d6ac4f6c750e32cc11e24b01a4340

Status:

Included and unchanged

Block:

#1,768 4,245 blocks after it

Position in block:

Transaction 55 of 57

Award day:

May 31, 2013 (13 yrs 5 mo ago)

From:

METRO MANILA DEVELOPMENT AUTHORITY

To:

HB CONSTRUCTION

Value:

₱4,974,575.73

Project:

construction project

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

METRO MANILA DEVELOPMENT AUTHORITY

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 #1,768 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)
METRO MANILA DEVELOPMENT AUTHORITY awarded it to HB CONSTRUCTION on 2013-05-31.
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 fd95c362a3…1a4340now …
2. Block Merkle root changed
stored 949fa31901…af00ebnow …
3. Block #1768 hash changed
stored 98589795df…934236now …

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

leaf fd95c362a3634e4e54e6fbac68ed5a93a03d6ac4f6c750e32cc11e24b01a4340
01 L f7de730c5984f2fdc9d6ab732f5ee7a7c5df16e92beebfcfc4c96bffe5077619
02 L b9afacb935a583123ab9a5e8c30bcee0a36b142aa928c998a7aa80ae8119aed4
03 L 10fb0bc0aa0a2d3d6e01c1a6b44bd966912b58afef804fbb138d313a53edbd09
04 R d6acfc3486774e6c643132fde8f823b4717f4e722f40c430330d244f4cfcc1c9
05 L 7913ed185cd04dfe788859f0db95b1a2a6bbe7a3303227afbc6811327e54b3f3
06 L 0d4925d83aae32d46ad9c9d5d141588b50d6d0b55047079023cce1fee5f62c40
root 949fa319010d6b9e66d7de07f0b71dd89513c87ca110d75ed9b1120119af00eb