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 TARLAC Award a ₱458.1K contract to HIMULICO CONSTRUCTION AND SUPPLY CORPORATIONProvinces
Transaction hash:
9df97d11a452a2875eb82cbfa4a08a7808f70f19d2a3105b9ed6fa20cce1a890
Status:
Included and unchanged
Block:
#2,183 3,830 blocks after it
Position in block:
Transaction 109 of 174
Award day:
Sep 15, 2014 (12 yrs 1 mo ago)
From:
Value:
₱458,131.47
Project:
Labor and Various Materials
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 #2,183 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 TARLAC awarded it to HIMULICO CONSTRUCTION AND SUPPLY CORPORATION on 2014-09-15.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 Tarlac 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 9df97d11a4…e1a890now …
- 2. Block Merkle root changedstored a4717d7a7f…cac303now …
- 3. Block #2183 hash changedstored e988ebdb3b…68bb4fnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 173 records. Each step hashes the current value together with the sibling shown.
- leaf 9df97d11a452a2875eb82cbfa4a08a7808f70f19d2a3105b9ed6fa20cce1a890
- 01 L 9b3b340f47f9bde8cde332b9d24727f507a5f2c2934172f35b04b3e343999835
- 02 R 46861164daa4ad670430fb0f22cc71f0cb4d3bdc7bd5aa3f2cb273ca23eeee2f
- 03 L a08b46603ab4ea1dd94170d7b306c6ae2247d12b7dd931211caa417eb97652f6
- 04 L 637c3f93ed42d7108e7a5ebc2c2485ff8ea8d362ae3fda4bad99a52acb167205
- 05 R d130952eb9ba4f89f6d6bb0e5ce7634f95ac68d362d8a08b8532745c35cc2485
- 06 L 411096c2d66e08b3adf6a8c8060657103c8b580db7adcf94c2d5a99619f0a8bf
- 07 L ca13604ff0f4c8a55937d53e166ee7d365f92e3cf0ac2c7a6344cd6ad133439e
- 08 R 536b7bcaf8eb83620828c1ff121b89bf9b33716274393c85f60d741bf6c67776
- root a4717d7a7f808a68b0c4a13689c7e786b0c2b42f772309ca946557c8facac303