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 OLUTANGA, ZAMBOANGA SIBUGAY Award a ₱149.4K contract to FOUR BROS BML CONSTRUCTION AND ENTERPRISEMunicipalities
Transaction hash:
1f4e5fe84de14291fe2e17d6a7984f61a7494af86a8a41b310e81c9b3b04995f
Status:
Included and unchanged
Block:
#4,496 1,517 blocks after it
Position in block:
Transaction 17 of 207
Award day:
Jul 1, 2021 (5 yrs 4 mo ago)
Value:
₱149,445.00
Project:
four bros bml construction and enterprises
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 #4,496 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 OLUTANGA, ZAMBOANGA SIBUGAY awarded it to FOUR BROS BML CONSTRUCTION AND ENTERPRISE on 2021-07-01.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 Olutanga 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 1f4e5fe84d…04995fnow …
- 2. Block Merkle root changedstored 7b85a53aa0…6747e6now …
- 3. Block #4496 hash changedstored 671cbc8f8d…212abfnow …
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 206 records. Each step hashes the current value together with the sibling shown.
- leaf 1f4e5fe84de14291fe2e17d6a7984f61a7494af86a8a41b310e81c9b3b04995f
- 01 L 1e0f53258ddc0b25b9cb8645af579177deabe67df526f149b28249f2f9fa6d77
- 02 R e0f5fc29ded95d7d49492d6ff5afac3401adb3e94606cf095a6ee896cb6d4b1d
- 03 R 5c1e12b0e79c9da4c989328dbf1229a9aa9f4119e9b1d1edc2fe912bbd5a28e0
- 04 R 9d0884ad70944742ded07184107ad8630e00e5a636f3a55445c6b0d32660f2df
- 05 L de6bf4c284ce69bad76a182d419a96d81459404e578f5cadf87a5caeeb80ef6d
- 06 R 9fd12b8b5857d79acdc64731d422e3b0c83835028fadaddb799bcdddfd8551c6
- 07 R ef7c869111a89f1cd186967773cfc3dd6b5ae761e29aed36dad6a9fff1623809
- 08 R b72ea07df34b172819172c0790fea1eb39768d97af1432ce019fc5fdd399d4c1
- root 7b85a53aa0f9fa56dc4d9d632f3036c8d4569addc98f6451deb3f094bd6747e6