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 CAPISAN, ZAMBOANGA CITY Award a ₱189.6K contract to ABSOLUTE ENGINEERING AND SUPPLIESBarangays

Transaction hash:

de9a9ca877bc67f8d16754b35d93e7113a102a56e00dd5d8544f0b16e9a0d9bf

Status:

Included and unchanged

Block:

#1,644 4,369 blocks after it

Position in block:

Transaction 35 of 41

Award day:

Dec 21, 2012 (13 yrs 10 mo ago)

From:

BARANGAY CAPISAN, ZAMBOANGA CITY

To:

ABSOLUTE ENGINEERING AND SUPPLIES

Value:

₱189,550.00

Project:

Construnction of Multi-Purpose Pavement at Sitio Tumanday , Capisan

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

BARANGAY CAPISAN, 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 #1,644 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 CAPISAN, ZAMBOANGA CITY awarded it to ABSOLUTE ENGINEERING AND SUPPLIES on 2012-12-21.
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 de9a9ca877…a0d9bfnow …
2. Block Merkle root changed
stored d19c561dce…778dfcnow …
3. Block #1644 hash changed
stored ab867a12bd…34ae21now …

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

leaf de9a9ca877bc67f8d16754b35d93e7113a102a56e00dd5d8544f0b16e9a0d9bf
01 L dcc1e81f790d14d73bbd6fda16db1310489167cdba668b63c0afe4bf71dcff39
02 L dc80a2c928ce313ed34fd1f74a1efcb13a24020ce218de7757e0308b1ee93ff3
03 R c9bb74fa75daa9a8585bf1241b96c0e76444ab221481ad02f65748b2ef299bed
04 R a2073939ae62ac10f7a7ed490b0544305f98ab82de29bde5d699bf974ae91d60
05 R 791eb70d8943075719864eccd6965fecb79275e8c850cdbe2535e44671ea6c2c
06 L f71e82462b8ee039c8a4ff79a5a3ed1a2cee7ad5e05eebd93370399e78338ad8
root d19c561dceeb73b37b880af530b6b4365f55b451358b34a7e66ba10998778dfc