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
APITransaction action
PROVINCE OF SAMAR Award a ₱8.1M contract to STEVEN CONSTRUCTION & SUPPLYProvinces
Transaction hash:
c0e59cb134543b657aa038fc430876fbd0ef0cc59af7b4151b88fe4982cb8dac
Status:
Included and unchanged
Block:
#319 5,694 blocks after it
Position in block:
Transaction 8 of 9
Award day:
Apr 17, 2008 (18 yrs 6 mo ago)
From:
Value:
₱8,053,920.07
Project:
road surfacing-cluster III
Full record:
Accountability
Bill Sec. 3 and 19Responsible agency:
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 #319 signature valid Demo key, proves nothing about the governmentPublic key
Linked records: from budget to payment
Bill Sec. 5- 1. AppropriationGAA line item · Sec. 5(b)The award does not say which budget line pays for it.Not published
- 2. Allotment releaseSARO / allotment · Sec. 5(c)(iii)Not published per project. DBM releases SAROs, but not linked to individual contracts.Not published
- 3. Cash allocationNotice of Cash Allocation · Sec. 5(c)(iv)Not published per project.Not published
- 4. Contract awardNotice of Award (PhilGEPS) · Sec. 5(d)PROVINCE OF SAMAR awarded it to STEVEN CONSTRUCTION & SUPPLY on 2008-04-17.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 6. PaymentDisbursement voucher · Sec. 5(c)(viii)Not published. No public source shows how much of this contract has been paid.Not published
- 7. CompletionCertificate of completion · Sec. 5(d)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)COA's CY2024 audit of Samar gave a "qualified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 partly. Under CADENA every step would be published within 7 working days and linked to this record.
Tamper test: try changing this record
DemoEdit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.
- 1. Record fingerprint changedstored c0e59cb134…cb8dacnow …
- 2. Block Merkle root changedstored 8c16f1d068…f2cd24now …
- 3. Block #319 hash changedstored 6197276db1…86de66now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (4 steps)
How this one record is tied to the block's Merkle root, without needing the other 8 records. Each step hashes the current value together with the sibling shown.
- leaf c0e59cb134543b657aa038fc430876fbd0ef0cc59af7b4151b88fe4982cb8dac
- 01 R c0e59cb134543b657aa038fc430876fbd0ef0cc59af7b4151b88fe4982cb8dac
- 02 R bc10f0069bb13d7917d47dbbbb268d37792f46ccdd29bf889b901a10c2127c4a
- 03 R e3dd2f56efedb3e6e1a7ebc5af0be26684deb5229a08b9c056ff57cb388e1a8e
- 04 L ba4952534127758cdd5fa340c5d74c2e44cd48ceac562e7bd49d8f8d25c19e5e
- root 8c16f1d068ec1a3163094b04ef63ac82b9d4df266b4b76ea470443d7bbf2cd24