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
MUNICIPALITY OF TUNGA, LEYTE Award a ₱498.2K contract to VIRATA DEVELOPER AND CONSTRUCTIONMunicipalities
Transaction hash:
4e4e473f3d0d4fa2626b7b0dad85671ed319758acc26b866aed95d32ca6d7b2c
Status:
Included and unchanged
Block:
#5,231 782 blocks after it
Position in block:
Transaction 79 of 255
Award day:
Aug 2, 2023 (3 yrs 3 mo ago)
Value:
₱498,186.90
Project:
Construction Project
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 #5,231 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)MUNICIPALITY OF TUNGA, LEYTE awarded it to VIRATA DEVELOPER AND CONSTRUCTION on 2023-08-02.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 Tunga 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 4e4e473f3d…6d7b2cnow …
- 2. Block Merkle root changedstored ef682372e5…8b7a13now …
- 3. Block #5231 hash changedstored d3c070b48a…a6b27enow …
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 254 records. Each step hashes the current value together with the sibling shown.
- leaf 4e4e473f3d0d4fa2626b7b0dad85671ed319758acc26b866aed95d32ca6d7b2c
- 01 L 4dc91c1ad89b0309bd08ff7ec964f099e5e8fe822ff6b869b31a4bf7f1f1ab42
- 02 L dbd7af684cc3e508eacc1588d999839e44459dfbbeba83f7b7065e074d6c1d3c
- 03 L eb7bb57bffbe8963e17d73b6dc32059ed77f338ecf3146ffde7fd423b7323be5
- 04 L ea24c7d10dd3c95f75f018db91d35609a4d5d135ad8a17b796e633f652cdb9ce
- 05 R 682fa5241e5700c7aea2e07cad796b1aedcfdd5ec7dbee096a699dc691afb3d1
- 06 R 324fb659ce2e2f3ecb8decdfeb462d4ec4a32c3369b18b5ac542d83b1930a3ac
- 07 L 2ea7c32913a70ade5c500ddb3dec1a84b14f154d575d259045f25e59661f588d
- 08 R fdae30ec498630dde9af8d2444827687bb442278cc5e24e226906145ffccead7
- root ef682372e5494b2ded030efa11a800ea0b806a0798b20a2eb72f03b12d8b7a13