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 LIGAO, ALBAY Award a ₱11.6M contract to STEVEN CONSTRUCTION AND SUPPLYCities
Transaction hash:
e7fb00aef282977d54a18b7422f70c3edf0f343fb81b90f9208f0ec37adbb90b
Status:
Included and unchanged
Block:
#3,720 2,293 blocks after it
Position in block:
Transaction 277 of 310
Award day:
Mar 27, 2019 (7 yrs 7 mo ago)
From:
Value:
₱11,642,364.30
Project:
Construction Projects
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 #3,720 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 LIGAO, ALBAY awarded it to STEVEN CONSTRUCTION AND SUPPLY on 2019-03-27.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 Ligao 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 e7fb00aef2…dbb90bnow …
- 2. Block Merkle root changedstored 64f04267a3…339f58now …
- 3. Block #3720 hash changedstored 3f15d4e9d4…54c084now …
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 309 records. Each step hashes the current value together with the sibling shown.
- leaf e7fb00aef282977d54a18b7422f70c3edf0f343fb81b90f9208f0ec37adbb90b
- 01 L e75a431dc7aa89d39180d33f8be2f697e21f279d2f115e4fe52cb7585b380c58
- 02 R 25a4713f847c756f4091bd716a1e118479e3667753d4f81abd96a627e8a0a1ee
- 03 L b82ad7a17572cacdf0c89b67e4a29510800184e385ff817c501d4d02ee612dce
- 04 R bd73a90e5d37c417f9a43f3bc99f6f90b134d32133c84ca35b281232291ee701
- 05 L 2c9448991051b938f27b74f88dc8e6c6e592d8362f30a453b40977092fa39b0f
- 06 R 4351356cb24180f91378cb42b73d07c6b8e533a645df60a98800dd3a718d87ce
- 07 R 3195e815395ed618bcc5a081f9b31d542341b457736b0fb09f0a8101e9794efa
- 08 R f32901243f3353a9b2c069b4b62a911555b268446f46bc444ef78a06402e0a34
- 09 L 3e17d1688da4b4e89ffb2b55a1605a7a6d0383e0790188c4a6efd6ba13b2f221
- root 64f04267a33cac66beb905489888c57b1a221b68b84a279f70702d689f339f58