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 ₱95.1K contract to BLF CONSTRUCTIONMunicipalities
Transaction hash:
cd552003a4d22d150ec4d07aba7386ecedd7c9ec3b517c987380296f462a62a5
Status:
Included and unchanged
Block:
#1,522 4,491 blocks after it
Position in block:
Transaction 63 of 71
Award day:
Aug 1, 2012 (14 yrs 3 mo ago)
Value:
₱95,132.80
Project:
Maintenance of ARCDP-Gugo Farm to Market 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 #1,522 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 BLF CONSTRUCTION on 2012-08-01.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 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 cd552003a4…2a62a5now …
- 2. Block Merkle root changedstored 4373ce068f…6e960fnow …
- 3. Block #1522 hash changedstored 8ef1f3816d…953a31now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 70 records. Each step hashes the current value together with the sibling shown.
- leaf cd552003a4d22d150ec4d07aba7386ecedd7c9ec3b517c987380296f462a62a5
- 01 L ca0f0bc049c3a343e21b85fc12f3361c20ed5d24171f75bf816b646e1f15bcd6
- 02 L 70d7dec0b1b9fab58d0a600032137a919c9f7c5349dca32ddc074f4b139fbfd9
- 03 L f56788fc4befcd4cd7a46bf5d22d220d61a96dbb2eb8630602a771543223a240
- 04 L 00dd3fc3ec0d7d4064caed1b548305bb9947b96a6262caf73a6cad5f3b7985c5
- 05 L 11357c92095b51502eeab77a84ec222f7ae5c3a386cd9925fff53da2564a9c62
- 06 L 41800324f521258c7168f4e3cf9b6d864df0b2baea499dab0cd465893d95cca0
- 07 R ac666faf3a648682db185394665da2d8c499060f0998c4ffd7b52e9bfcd0e62f
- root 4373ce068f0aea566d122a6eecabc75eddadb68f46c319d5087d5c39a96e960f