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 ILOCOS SUR Award a ₱3.4M contract to NGEC-NESTOR GENERAL ENGINEERING & CONSTRUCTIONProvinces
Transaction hash:
fcff74e3cc0f2d6a6306aa5c301331645b7dd4f821604f2de8af96b6b8ede1ed
Status:
Included and unchanged
Block:
#4,033 1,980 blocks after it
Position in block:
Transaction 319 of 322
Award day:
Feb 24, 2020 (6 yrs 8 mo ago)
Value:
₱3,415,553.79
Project:
Construction Project
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 #4,033 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 ILOCOS SUR awarded it to NGEC-NESTOR GENERAL ENGINEERING & CONSTRUCTION on 2020-02-24.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 Ilocos Sur 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 fcff74e3cc…ede1ednow …
- 2. Block Merkle root changedstored 3ff4ec31f2…6b3b01now …
- 3. Block #4033 hash changedstored 9e1dd47453…abd5acnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 321 records. Each step hashes the current value together with the sibling shown.
- leaf fcff74e3cc0f2d6a6306aa5c301331645b7dd4f821604f2de8af96b6b8ede1ed
- 01 L fb2835bd8ad88392017e0ad35910d691d2942f45322aeb05b4f87353ad3c6a43
- 02 L 0d874ba82cc47bd0d2b3a6dbf3dbb1e34b055203c55c24e302a449b401161dee
- 03 L 47830babd9da78447eaea6c032e590204b8240986dc7750494d241249313dea4
- 04 L 987cf41c65ee1a73c7ce9e423494894ad6cb0e33677b4536948dd889496f6c83
- 05 L f8f84413f658109ee7026f9289069c258d3faf703fc2b2a71869e21a67f54c0b
- 06 L 7e502015353bc853cc0afd2fe2fed1cce5667a46fc6bb9cfbc6e271daa595189
- 07 R 7a381ce461a86424f80264da64972c3d29ac970c194ed4bbcb2b470f66efa77f
- 08 R 1a304c9e26cc1f93732533aa0cb8fe8a0b4c79216db92151173f38847697c74c
- 09 L 76357e0adfd93d1db08c39587243a52a499f5cf7044581efa6e0ec299b2ce72a
- root 3ff4ec31f29a71cf3bf01e8ea5694d1b1acf5959f885f47451479d70196b3b01