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 TUGUEGARAO, CAGAYAN Award a ₱720.3K contract to K. URBINA CONSTRUCTIONCities
Transaction hash:
b98dc018b8907983c721bc4e7681785bbab774bd05a1eed508ed9aa690b8c593
Status:
Included and unchanged
Block:
#4,374 1,639 blocks after it
Position in block:
Transaction 374 of 519
Award day:
Feb 26, 2021 (5 yrs 8 mo ago)
Value:
₱720,281.98
Project:
Road Concreting Pattaui Street Extension
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 #4,374 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 TUGUEGARAO, CAGAYAN awarded it to K. URBINA CONSTRUCTION on 2021-02-26.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 Tuguegarao City 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 b98dc018b8…b8c593now …
- 2. Block Merkle root changedstored 82e423f8fc…976fe1now …
- 3. Block #4374 hash changedstored a9912530e9…4fcc5dnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 518 records. Each step hashes the current value together with the sibling shown.
- leaf b98dc018b8907983c721bc4e7681785bbab774bd05a1eed508ed9aa690b8c593
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- 02 L f7362f0e4a7532de9c8e171f3d69973427cd9194c42a8249c206fbabe31b3f5b
- 03 L d87e7269af46af7212bf83476963682461c929aaf8df113994121b065bd12cab
- 04 R 1523be6dfea79b81875541ce74a14fe9f145de43997ecf790808dc9c50adeb7d
- 05 L 8889730dc6ed59ec165b62ce59cf5aba91c91faf1fd3b0dd48bc774bbd448ab5
- 06 L d6d1d718b215d507165f3590d06778ba6e5f1403d337176f47b8470872bb2d5c
- 07 L e5fdb7bbb5394026c7a6ebd01b3c0581fb1e91f2aafb2be81447e68508247df0
- 08 R 12f9a28dba1543ab3fa881695c474e8092d200259dbe99cf8f30039c62f9e52a
- 09 L 84a642acea96763c46fc39603df787245ba30724cce6dd91806f80933ae40381
- 10 R 0effc9ec056b80e6f32c11615ab3a4e0cdfc908fb2640e70cf6283edd34b0506
- root 82e423f8fc239ddbc35f4df62f2534c8f0a4bf158b91728222772e0803976fe1