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 ₱7.3M contract to D.C. SANDIL CONSTRUCTION & REALTY DEVELOPMENT, INC.National agencies

Transaction hash:

02cf35ab2df1c42cdd145f6eec2843c055036d05472f180b769f8dcaeb124127

Status:

Included and unchanged

Block:

#1,498 4,515 blocks after it

Position in block:

Transaction 0 of 74

Award day:

Jul 4, 2012 (14 yrs 4 mo ago)

From:

METRO MANILA DEVELOPMENT AUTHORITY

To:

D.C. SANDIL CONSTRUCTION & REALTY DEVELOPMENT, INC.

Value:

₱7,282,963.49

Project:

Proposed Construction of Pump House/Sump Pit and Installation of Pumps/Generator Set with Control Panel Appurtenances (Including Testing and Commissioning ) along EDSA (Aurora Blvd. and P. Tuazon Blvd

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 #1,498 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 D.C. SANDIL CONSTRUCTION & REALTY DEVELOPMENT, INC. on 2012-07-04.
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 02cf35ab2d…124127now …
2. Block Merkle root changed
stored ef821ce87b…6da68cnow …
3. Block #1498 hash changed
stored af0bfd4e75…2cb304now …

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

leaf 02cf35ab2df1c42cdd145f6eec2843c055036d05472f180b769f8dcaeb124127
01 R 0674b824397dbac0107629a3fba2d5e65a052f4c98c914e6bcf60cd8f67788d8
02 R 8babf464e33f3cd150bd2f93e93c5035f14a75aa0ee9da25fdb861b1987b5bae
03 R d13db57fc1e0499d765ac7f9c29034197a44ff8a99692d44c852b3071f9412d0
04 R 6e9cfa31295697e759638b27f090848e80385d8162fdfece9af20b68f42a20cb
05 R 43db17e5ffaf74d411357b26870a2681bac385d07c2ed33b66cc590c413e0ddd
06 R 4dae638689fa2d3a63d24b2e5d9bf439a7da5f622a154c64eb695726d0812caf
07 R b3dd757ab019f1e48586f75f7cadc3db3a61a21e42e2faf79541d32677b0ab21
root ef821ce87b9c66d1841b35ea8ef802e3bb6112c151522910daf29297386da68c