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 ₱495.7K contract to RCM CONSTRUCTION & SUPPLIESMunicipalities
Transaction hash:
256eafc42db2cf2ae623e558456fbd973e61566c421284ec4e38478cdb0f1d39
Status:
Included and unchanged
Block:
#3,611 2,402 blocks after it
Position in block:
Transaction 38 of 257
Award day:
Dec 5, 2018 (7 yrs 11 mo ago)
Value:
₱495,680.00
Project:
Ground Leveling of new
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 #3,611 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 RCM CONSTRUCTION & SUPPLIES on 2018-12-05.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 256eafc42d…0f1d39now …
- 2. Block Merkle root changedstored d19dd5d636…ef7aa3now …
- 3. Block #3611 hash changedstored 56e8af1f6a…bbccbcnow …
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 256 records. Each step hashes the current value together with the sibling shown.
- leaf 256eafc42db2cf2ae623e558456fbd973e61566c421284ec4e38478cdb0f1d39
- 01 R 273e02c78cf70a580c5c83a056ebf06e286c48ccc86197d45ef4db5a30c1b63e
- 02 L 702cb64160822ed4c1337482d2a8febc8c59ac271fa049d8c38f4bb0164cfe2e
- 03 L 270e3fd613094e79268cea2861826d5b27793327acf77772e5aef6e08cd75d03
- 04 R 28c2989eb588c65586d92e5e4f13c0fa47d48a5eee625a78bfc82fc931a01eee
- 05 R 52cc3b6517d89d652cb2193d721fd8e1ba03b3f193746501b5acc5dd4d5b4904
- 06 L 5a36a74a20e40cafd07d7b5d226d09a85368eb4879350119cfc07bb559c62999
- 07 R a54ee3088b96c26fd2b5edaedea58dd030c3aac2e9d9c6d616097b89d63fb463
- 08 R 7139ed0fc3a3d8aa667ed799ad7f4c456ceb4660992fb48db3de06d3f27b016b
- 09 R 92d76dc265991649e53f63febd32362bb38fa2a790706a067eec2771290d505a
- root d19dd5d63633415390b5bfd0baf4a3184bb99807d6697cacbd100d26d1ef7aa3