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
CITY OF VIGAN, ILOCOS SUR Award a ₱600.4K contract to HEAF CONSULTANCY & ENGINEERING SERVICESCities
Transaction hash:
8b2dfdeb94bcae95f23f70a920e47323c72c8dfdf569298a185af561d885433c
Status:
Included and unchanged
Block:
#1,798 4,215 blocks after it
Position in block:
Transaction 31 of 68
Award day:
Jul 9, 2013 (13 yrs 4 mo ago)
Value:
₱600,367.68
Project:
Concrete Topping
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 #1,798 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)CITY OF VIGAN, ILOCOS SUR awarded it to HEAF CONSULTANCY & ENGINEERING SERVICES on 2013-07-09.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 City of Vigan gave a "unmodified" 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 8b2dfdeb94…85433cnow …
- 2. Block Merkle root changedstored 78c4e58f10…7b99b3now …
- 3. Block #1798 hash changedstored 605a4eea42…e5fb68now …
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 67 records. Each step hashes the current value together with the sibling shown.
- leaf 8b2dfdeb94bcae95f23f70a920e47323c72c8dfdf569298a185af561d885433c
- 01 L 87901ee54fa4f5912d6c67f461c1cd2a5493b7f0311654ebb3588cae0c81c2dc
- 02 L c9b5841d6387eff254f2a9444e3958bfd1c614c3f9d4ac2a594fd240da2f8e86
- 03 L 31d21b948d6bf1f256acc0b6060177ca340928aaa0d9eefdc8edbe779761fb04
- 04 L 6f9a7e40d8e5cb9927114fefcacdcd70d1550e111b40ec55d41baf61406cb036
- 05 L d2b9fc4792bac4448df0a1a93cdcf2f1e9d9e08a53a6fe7323d9b30aaa89d665
- 06 R 5a282c230345ef11832b30c9e3c942f60bd9a6a050923c702bfc4093f255ed4b
- 07 R fd132cbaab3a9e3dac0cee34ccc57aced4b6159c7b2633beffe76bb4905dd8ec
- root 78c4e58f10dce9f12cb534919b123e22dee74d04c37ccd87f6fe2994e77b99b3