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

BARANGAY SANGALI, ZAMBOANGA CITY Award a ₱400.0K contract to A.H.E. CONSTRUCTIONBarangays

Transaction hash:

effb1fc548845b02f435a1165398de9e8e3496b70df14ce596adc75af4eb5933

Status:

Included and unchanged

Block:

#1,621 4,392 blocks after it

Position in block:

Transaction 29 of 35

Award day:

Nov 26, 2012 (13 yrs 11 mo ago)

From:

BARANGAY SANGALI, ZAMBOANGA CITY

To:

A.H.E. CONSTRUCTION

Value:

₱399,980.00

Project:

CONSTRUCTION OF BRIDGES AT PUROK 4, SEASIDE, SANGALI

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

BARANGAY SANGALI, ZAMBOANGA CITY

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 #1,621 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)
BARANGAY SANGALI, ZAMBOANGA CITY awarded it to A.H.E. CONSTRUCTION on 2012-11-26.
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 effb1fc548…eb5933now …
2. Block Merkle root changed
stored f4ea420d93…82cfbbnow …
3. Block #1621 hash changed
stored 8134968a7d…6d21d4now …

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

leaf effb1fc548845b02f435a1165398de9e8e3496b70df14ce596adc75af4eb5933
01 L ec456ff0e325e7386f18bf02fffa7489c13c49e353afdac1463fbe68c42b912a
02 R 7140bb08f165e181483dfe890b24bb8a395eb0a3195893edcdebf66db02b4aac
03 L 7ca2ca35ac5896ff034e959f4cd333aa789ce73af47df1a7804f9cdf7ce25bc8
04 L ac01c8087b21a20011fa1be3d11cc9e4f8c707d0ae464fab906c1265ec800806
05 L 34b2571f9c38e5efcc7d5195a57ceecd54dcc3f05ef6b99422b72a7a68a243de
06 R 4daeefa83c3bf28d31321a37a5bdd84c3b00d24f6cf7cf62a819854c8866bd7d
root f4ea420d93339b4187925fb8dc0d2a294b482b9aa72c51b14077ea952782cfbb