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 CATANDUANES Award a ₱377.2K contract to CHRISMAN CONSTRUCTION AND SUPPLIESProvinces
Transaction hash:
347bfb3ba5eba37f0b401ba9d7735131307d635b55469e520baf68cd2a649b87
Status:
Included and unchanged
Block:
#1,448 4,565 blocks after it
Position in block:
Transaction 7 of 46
Award day:
May 9, 2012 (14 yrs 6 mo ago)
Value:
₱377,175.60
Project:
Conc. of P. Arcilla St. , Rawis Barangay Road
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 #1,448 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 CATANDUANES awarded it to CHRISMAN CONSTRUCTION AND SUPPLIES on 2012-05-09.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 Catanduanes 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 347bfb3ba5…649b87now …
- 2. Block Merkle root changedstored 8127702a5c…5deeaanow …
- 3. Block #1448 hash changedstored 38ab6a7ade…cd01eenow …
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 45 records. Each step hashes the current value together with the sibling shown.
- leaf 347bfb3ba5eba37f0b401ba9d7735131307d635b55469e520baf68cd2a649b87
- 01 L 33bb1911ffda0541cca78a95991515ca8ac10644ed04cf97ea4a389494753c83
- 02 L e8b1c8d834ca442bd7295dc09033869c275a4de90160e5aa54642c0ce709bb6e
- 03 L a599501b771887bca68bfb4f7f6363d4eb6e8b52895eadd4d83a6c7347394cc8
- 04 R 86f8a54291c3bcc6839b4b2791e29f4dd862bb09700b2dd121d786d081df1c62
- 05 R bb7746f1cf26d7a2950da028cde7ebc22f046becea4b1acb5fcf0834100faeed
- 06 R 52f7e4b31e679c4262a71878d4631550efb2675e9abb9d581984b3ecfa78ee59
- root 8127702a5c40096c1892e618132534f8ec18ea04a86684296a09a7e6b55deeaa