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 VALENZUELA Award a ₱19.7M contract to GEOTOP CONSTRUCTION AND SUPPLIESCities
Transaction hash:
e186361854e58e6e8e730bef0f7bfda42363e8ad6466bd2fc0fc8063f3ed37f9
Status:
Included and unchanged
Block:
#4,694 1,319 blocks after it
Position in block:
Transaction 118 of 135
Award day:
Jan 19, 2022 (4 yrs 9 mo ago)
From:
Value:
₱19,696,611.05
Project:
CRN 071- IMPVT-PAR/BAL-CDF/LDRRMF-INFRA-2021
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 #4,694 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 VALENZUELA awarded it to GEOTOP CONSTRUCTION AND SUPPLIES on 2022-01-19.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 Valenzuela 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 e186361854…ed37f9now …
- 2. Block Merkle root changedstored adbb6808c3…0ac064now …
- 3. Block #4694 hash changedstored 0b0f5cea6a…4d08f1now …
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 134 records. Each step hashes the current value together with the sibling shown.
- leaf e186361854e58e6e8e730bef0f7bfda42363e8ad6466bd2fc0fc8063f3ed37f9
- 01 R e443d506b3970ec11ee055d4887764d277d087d4f7cf7525d711c32d8df8d364
- 02 L ce2d2bd57e20607aa5147bc513a9b0091ffff1cf7ba6c82dd2545490eef02974
- 03 L 30eec69d3062bb95ed777d69b5f0c670e10cc0134b06de5040126a2727228165
- 04 R 705300b60e28d5a3157a1c271869f2029447ad70dd04cf4f08e2a6bd9de9e016
- 05 L a1b5834c58ff591a4312ff0b2b215f36aa899525e1149714b5225fb8f42c561f
- 06 L 1a80d87a28a6262ac2c192f2d8bcea3fc2170b482908f69913d3324b34862fee
- 07 L 853f09028f2f37ada24d97c51bc2ce514d27ac6cb297c5bd15ef9eec903c869d
- 08 R e9e9cca3b3f50259472714b51d70d5e72ef1baf0d22dc4ab685f9e3ad06236c7
- root adbb6808c3253890410f13ee67ba6391aec09d761b0c03c9be177f79290ac064