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 SORSOGON Award a ₱4.0M contract to ALHADRAX CONSTRUCTION AND SUPPLYProvinces
Transaction hash:
d2f7578fa4e481acebaaa5933ba2ec99e99757a8df70c024de4b4d5841a90326
Status:
Included and unchanged
Block:
#4,092 1,921 blocks after it
Position in block:
Transaction 52 of 62
Award day:
Apr 29, 2020 (6 yrs 6 mo ago)
From:
Value:
₱3,959,999.36
Project:
CW20-03-005
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 #4,092 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 SORSOGON awarded it to ALHADRAX CONSTRUCTION AND SUPPLY on 2020-04-29.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 Sorsogon 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 d2f7578fa4…a90326now …
- 2. Block Merkle root changedstored 5ba70c478c…29f87bnow …
- 3. Block #4092 hash changedstored 80fb13d3ff…a5f593now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 61 records. Each step hashes the current value together with the sibling shown.
- leaf d2f7578fa4e481acebaaa5933ba2ec99e99757a8df70c024de4b4d5841a90326
- 01 R d303cc7ae9225f8d31833eeb1f5b72345ff822494e9f83b663dadf7186f974cb
- 02 R 573cc9c45f3c8e6303149e18cf1b655cedb982bca13080b67f9d78518f14066f
- 03 L a52b349f9766f8a8422690ac0cd62e5c3122cc1abab3722e1d5f282ee8cef658
- 04 R 08f0c66e0e7137f1e4ce0ab6d41d4e0fbab13758c5c54df95b4abafe32eb9a09
- 05 L 5ba98001212a883c502aedfbcb94df1d0e5333b9c723e1ecf375bdf9bbeef771
- 06 L 91e64369a1a50059a627481c6bd55995dcdba0f1760185d8c0cb2e5f7230befb
- root 5ba70c478cce6216cb51ab448c39f71000b6c2d32de2e8bf6c90d5a55e29f87b