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 PALAWAN Award a ₱3.5M contract to JOHNSTAR TRADING AND CONSTRUCTIONProvinces
Transaction hash:
a898ad7dbbf8aaa70a37cf9aa5d70b2f44dca4aa2dee980dff7793056b5e49e4
Status:
Included and unchanged
Block:
#3,998 2,015 blocks after it
Position in block:
Transaction 106 of 157
Award day:
Jan 17, 2020 (6 yrs 9 mo ago)
From:
Value:
₱3,543,291.67
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 #3,998 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 PALAWAN awarded it to JOHNSTAR TRADING AND CONSTRUCTION on 2020-01-17.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 Palawan 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 a898ad7dbb…5e49e4now …
- 2. Block Merkle root changedstored 6c2ddcc70f…ebc368now …
- 3. Block #3998 hash changedstored 89b8a34aa5…a254f8now …
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 156 records. Each step hashes the current value together with the sibling shown.
- leaf a898ad7dbbf8aaa70a37cf9aa5d70b2f44dca4aa2dee980dff7793056b5e49e4
- 01 R aa5d0f0f939f31dcc942b806be519cd3ad13a5e1c77f82f036c55af8b974d05f
- 02 L 74dc3ce34ca75b6f576ca4fca447d38d3cce23dcacdae267af07945371e9b7d7
- 03 R 7ddc3212a19b023bdc6f0869847854379bc3e03729ae75c0148daac279ca0f05
- 04 L 2a25b323d135483781e57bb0a0f0bc08e172a0d8aab3ec317d48c8afdfa9f7ea
- 05 R 29a71aff6fbc959363f4c188e7a0cd6a97b1aa2e8a3e907233fc7752556bd8fe
- 06 L 55b2afe3da5ac608c91127abacb8d5e9369a91669189d58f3b4e9b98e308ea1d
- 07 L 6b80923ee2da45941edd63e996e38f05e56a80b815108e705a58fe229bbb5e60
- 08 R 69c109a8b63d1fce2a8b24f82abbcb3330de972e493f2ba3cfedf6a7df0075c1
- root 6c2ddcc70f4f6b461842f51c22b50b123dcdf53c2b67073fd1fedd228febc368