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 TETUAN, ZAMBOANGA CITY Award a ₱499.3K contract to ABSOLUTE ENGINEERING AND SUPPLIESBarangays

Transaction hash:

9366dfa4fe22a1e9ceb416cd762133fe2de20d5c936070d2cf8e19952ff84d2e

Status:

Included and unchanged

Block:

#2,248 3,765 blocks after it

Position in block:

Transaction 41 of 72

Award day:

Nov 21, 2014 (11 yrs 11 mo ago)

From:

BARANGAY TETUAN, ZAMBOANGA CITY

To:

ABSOLUTE ENGINEERING AND SUPPLIES

Value:

₱499,347.34

Project:

Construction Services

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

BARANGAY TETUAN, 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 #2,248 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 TETUAN, ZAMBOANGA CITY awarded it to ABSOLUTE ENGINEERING AND SUPPLIES on 2014-11-21.
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 9366dfa4fe…f84d2enow …
2. Block Merkle root changed
stored eca4d6b817…c82961now …
3. Block #2248 hash changed
stored 15931a78b5…1c25f4now …

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

leaf 9366dfa4fe22a1e9ceb416cd762133fe2de20d5c936070d2cf8e19952ff84d2e
01 L 8c4d7d5b071103bf100f0df4967c43d121911d3d5923efa93b7ad115cb315bc2
02 R 71a9234c37eb65281b84ac9eff1f52dacd63fc6858140999319884ff00c38fdf
03 R 1d7058eb8b6c1dc05d58cd9ee348ae3b219ccb85d0b57df25fd221c280af721f
04 L 263b550d71e01c66707cfbfc29dc014d8813211bb9badbc4f981a39e51f1b3a4
05 R 770ad765aabc1c08fef58e6eec0adf638f1f45a7d3a647705e199425e35db34f
06 L 7c31694d51be2fcea028a0311b740e3b8f68d367165f6f42827288e50884cdc0
07 R 7c7cb685a330fbaf1e0dd04216930f938eebb0bcbb8f91a07efff975448f50a2
root eca4d6b817ae86e430e44040922e3f6e66626fd6224769638827eb794bc82961