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 SANTIAGO, ISABELA Award a ₱4.5M contract to VB MANUBAY CONSTRUCTIONCities
Transaction hash:
fd8d69faecf11e1e1cb5c2bb4dc01dfc3e89ba8b7cd04f84b23b4aa4c89bbc05
Status:
Included and unchanged
Block:
#4,617 1,396 blocks after it
Position in block:
Transaction 241 of 242
Award day:
Nov 2, 2021 (5 yrs ago)
Value:
₱4,531,366.19
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 #4,617 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 SANTIAGO, ISABELA awarded it to VB MANUBAY CONSTRUCTION on 2021-11-02.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 Santiago 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 fd8d69faec…9bbc05now …
- 2. Block Merkle root changedstored 56b66e35be…0ec664now …
- 3. Block #4617 hash changedstored 1ee2345a20…06253cnow …
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 241 records. Each step hashes the current value together with the sibling shown.
- leaf fd8d69faecf11e1e1cb5c2bb4dc01dfc3e89ba8b7cd04f84b23b4aa4c89bbc05
- 01 L fcf25815b444df853c8229e8114252b938a83bb490e960a4f1cd092114abf2ee
- 02 R cf4207f16dea4eebb869eca9f4b9ff4165532168411b02d09650cec1b23c31d2
- 03 R 42b3700b88058c8650b6a9509393232d08ba82badccf97423787036479101bf5
- 04 R 3521cd19c8c48b8eb22a54f1dc31d32b3cc5d87b594145c8a0c237149f8f93a7
- 05 L a0d9999cc79ce1df5ce4e14117ae2dba88e2648f2d29e422a35211651df6c72f
- 06 L 75e8906e88b5de3fd141667ac32deeea342bf580fef744f45524ce97184e9001
- 07 L 5abdb95e8612fb42cb82ec65631c01452e8cdd648339749de6ac58f0534e9349
- 08 L 4d5e0bc4f38c74fea0bc7801ba310fd63b6828cf632d5443c07d9c4916ae56f1
- root 56b66e35be64b6df7008b2388c8f770d1bf9ef8f5f7aaa16a0db1202110ec664