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 SAMAL, BATAAN Award a ₱2.0M contract to JEK TRADING AND CONSTRUCTIONMunicipalities
Transaction hash:
d01f18e3f7a4e130f16144f34fbd91cdec74f3795fc284dcad422a6fb74b3d61
Status:
Included and unchanged
Block:
#4,987 1,026 blocks after it
Position in block:
Transaction 196 of 238
Award day:
Nov 25, 2022 (3 yrs 11 mo ago)
Value:
₱1,988,750.06
Project:
Local Road Upgrading - Construction of Road
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 #4,987 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 SAMAL, BATAAN awarded it to JEK TRADING AND CONSTRUCTION on 2022-11-25.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 Samal 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 d01f18e3f7…4b3d61now …
- 2. Block Merkle root changedstored cd7185be2e…db514bnow …
- 3. Block #4987 hash changedstored 4f66693e9b…e6df21now …
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 237 records. Each step hashes the current value together with the sibling shown.
- leaf d01f18e3f7a4e130f16144f34fbd91cdec74f3795fc284dcad422a6fb74b3d61
- 01 R d1fab003fb5fcd506578e5c04dbad72aab1e1a8cd4c8694d41160d3825213e9a
- 02 R bcc4524def1d89f3d545b8952f4d96cbb27794a2c19dfd7d627a2559e9268f7d
- 03 L 225220b7f21cab1ae109c8c25a546b0d1712732377bf431c7a66ca32077119c1
- 04 R 846cfedb30d376a9ed6df60f05d5030d364eebaffd1f74f2199646c4e08f38d8
- 05 R e5a0bf3cdf7c1c434067a7821101d53bd1ef3d015275b1baf5f8979ae0d4a982
- 06 R 76da5708ebeeb58e74c4263b744d9c831c29fcf87923dfe438407dd32c23b87c
- 07 L 43d8acd4bb1df8492add89e197e48bf604b04e213e42e36542ff0a6770a553d0
- 08 L 91170fbfdb08240bd85fbf25993ce04ab75e1b25adff67b3ef7987ddae954b90
- root cd7185be2e278bcc4cb4c5885c45e32aabac7221217ce21f4c9017ccd1db514b