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

CITY OF LEGASPI, ALBAY Award a ₱497.7K contract to TWIN ACER BUILDERS AND SUPPLYCities

Transaction hash:

e70113a7bcaa43807fffdf73a481f2ff9667cd63d2b0d6af8a1ba74b579d3709

Status:

Included and unchanged

Block:

#1,391 4,622 blocks after it

Position in block:

Transaction 61 of 66

Award day:

Mar 1, 2012 (14 yrs 8 mo ago)

From:

CITY OF LEGASPI, ALBAY

To:

TWIN ACER BUILDERS AND SUPPLY

Value:

₱497,686.73

Project:

Furnishing of Labor, Materials and Equipment for the Rehabilitation/Improvement of Drainage System along F. Aquende St. to Balintawak St., (left side), Legazpi City Furnishing of Labor, Materials and

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

CITY OF LEGASPI, ALBAY

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 #1,391 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)
CITY OF LEGASPI, ALBAY awarded it to TWIN ACER BUILDERS AND SUPPLY on 2012-03-01.
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 e70113a7bc…9d3709now …
2. Block Merkle root changed
stored 641cf76acc…edfbf3now …
3. Block #1391 hash changed
stored 634001fee0…d4da73now …

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

leaf e70113a7bcaa43807fffdf73a481f2ff9667cd63d2b0d6af8a1ba74b579d3709
01 L e65d45b47379784fca25cc659a7e84f7f4af461eb8d726061653a0913c669101
02 R ef76bb43191a5fa5f1be20a5da470898e44076bc83dccca745d9252cead7bbc6
03 L 4062213c573e338011bb228eb7fb29ebb4133ce981077ee40718ebc5382ac313
04 L 493d386c7d88aec1528f4e09e6d0db90b9a9db4797bf522a3d4742c8be6d8a1e
05 L 1147f7c09d8643e651aa6df5965d8c3c02f5fa79282ace3e7f14de977a76b321
06 L 4a24910a577a808fa239cd56f3b49f660b68ce828bb0b68d037052a53a589905
07 R 496208adf2ee7226d3ea7298e3360560be79b20a5da012984470c67b38ae3b44
root 641cf76acc8975c3ede69e25e660eed909747429fc623be18f72b4ad3fedfbf3