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 BATANGAS Award a ₱2.5M contract to R. CALINGASAN CONSTRUCTIONProvinces
Transaction hash:
d79f3767ddd35e4c19f9d795f310d3f93f0538077a0732e2747a2f6a307c891b
Status:
Included and unchanged
Block:
#810 5,203 blocks after it
Position in block:
Transaction 183 of 220
Award day:
Mar 1, 2010 (16 yrs 8 mo ago)
From:
Value:
₱2,497,240.71
Project:
Concreting of Various Brgy. Roads at Municipality of Taysan, Batangas
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 #810 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 BATANGAS awarded it to R. CALINGASAN CONSTRUCTION on 2010-03-01.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 Batangas gave a "not stated" 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 d79f3767dd…7c891bnow …
- 2. Block Merkle root changedstored ec706ce6ad…8db01anow …
- 3. Block #810 hash changedstored 7dab290c02…c6956cnow …
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 219 records. Each step hashes the current value together with the sibling shown.
- leaf d79f3767ddd35e4c19f9d795f310d3f93f0538077a0732e2747a2f6a307c891b
- 01 L d774e623676182c0366a44150b3292845c0296420373b6299a19938e55c22e06
- 02 L 28f07c0ce40e3ce90a6ae3dfc9c91da8efea98eca070b4c04a1fc1a12874612f
- 03 L 2795b167cebb639e498b8ff795df46d586d34259be9e35fd163331f9038364e3
- 04 R 0167c727abbda9950ea78897b269928ffcf6cc129596151649d37c3c117d406d
- 05 L 29d3eef6a55a85f28e2ebcff4e88f556c9b8929472cc41f3e3d63a42b245337b
- 06 L dd5dd4843789af389f2f3de36b863159b2fbcbcab354c2e19de41a030f32f2b8
- 07 R 7e85806a7469b3cd630d78792486c847017686a48761e5b99b5c034601218932
- 08 L 5d37095a8193e978a9bbb12b77865e8c1be8176251392b4a9d2be8599c17c078
- root ec706ce6adb26ef3b2c2162ad726a0c6376caa5dbf91bf7f00e950fff18db01a