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 DON CARLOS, BUKIDNON Award a ₱10.2M contract to OPTIMA BUILDERSMunicipalities
Transaction hash:
4edaae00da5e30bfa89d406c83137579fbc062fe23d99d74a368a50284791fd0
Status:
Included and unchanged
Block:
#3,315 2,698 blocks after it
Position in block:
Transaction 90 of 276
Award day:
Jan 25, 2018 (8 yrs 9 mo ago)
Value:
₱10,243,268.53
Project:
water system
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 #3,315 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 DON CARLOS, BUKIDNON awarded it to OPTIMA BUILDERS on 2018-01-25.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 Don Carlos gave a "modified" 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 4edaae00da…791fd0now …
- 2. Block Merkle root changedstored 2cd2e081f9…7151f0now …
- 3. Block #3315 hash changedstored b8ef4ef8d0…fded00now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 275 records. Each step hashes the current value together with the sibling shown.
- leaf 4edaae00da5e30bfa89d406c83137579fbc062fe23d99d74a368a50284791fd0
- 01 R 50c720e05155128c5fdb67114fb12a3064f44051fa8b58bfed33eb159803a833
- 02 L 28733877152af9ab2dd3d757ee905a0dc799dafaa60093e1f112bf6e77748f01
- 03 R 874ba6172fd5de4cf5de66b18a65dc048fa270f5d09277b1754330033c9292d2
- 04 L db93d4f510fdd3f445de2e9b606982a1e50b563c1ee7d78354c93e3e752778cd
- 05 L b34462b35135e3232c8d1bbf5b6f0b53f0a1cc5d6760ce7bca5947514ec4b4af
- 06 R 6d09df3576fbb2ab442405761054d05d343072a48067d73eefc9f51651fd89f7
- 07 L f16afa260483de52efd4d8ecc122dd330128905e4929e136c2301663fad6d981
- 08 R cfa3324391ca6008d552d09fee61390a446e0692ee4edf2793a04fb4e1c40827
- 09 R ca0822007482dd942c72a44687ef50c2288a9cbc085dcd291612c5ca3fc14be7
- root 2cd2e081f9d5f3c3a42da6a6903f167931a6966df86c25c06665c4c64d7151f0