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 CATANDUANES Award a ₱1.9M contract to CHRISMAN CONSTRUCTION AND SUPPLIESProvinces
Transaction hash:
8f2f3a15da668b9e43591c924dc59fcc81f673abb50124f319abe33b46196ff3
Status:
Included and unchanged
Block:
#3,710 2,303 blocks after it
Position in block:
Transaction 2 of 9
Award day:
Mar 17, 2019 (7 yrs 7 mo ago)
Value:
₱1,916,573.95
Project:
Construction of Esperanza Seawall
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 #3,710 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 CATANDUANES awarded it to CHRISMAN CONSTRUCTION AND SUPPLIES on 2019-03-17.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 Catanduanes 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 8f2f3a15da…196ff3now …
- 2. Block Merkle root changedstored 19df368530…e0895fnow …
- 3. Block #3710 hash changedstored a7f82b8f57…00e710now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (4 steps)
How this one record is tied to the block's Merkle root, without needing the other 8 records. Each step hashes the current value together with the sibling shown.
- leaf 8f2f3a15da668b9e43591c924dc59fcc81f673abb50124f319abe33b46196ff3
- 01 R a8a451c8f9d0d3f498d0f0e6497ad41e2bddfda689f239261598a7041e33c647
- 02 L f9a0212b4e23eef13fa11fa5b1ab354a8e78fe3911de1ba1cc0810b595a9dbc4
- 03 R fd71cb0d9e344273e7b06c61bbd3ccca29bf03f8468d18a956f62909bfa5d821
- 04 R 9f8088e675d6abbc9d737a81076af99b2aae03d07d8b30b0d2bff5d2fa9fff9d
- root 19df368530ef4c8c14c03c85bab1c28a50de05c3b53d1a655b3b900234e0895f