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
PROVINCE OF COTABATO Award a ₱2.4M contract to ALZEN ENGINEERING AND CONSTRUCTION SUPPLIESProvinces
Transaction hash:
cf7e2cdc7e93641b9a034c17b3adc1160aae0a5d0dfe84c7d6e650770d47deb3
Status:
Included and unchanged
Block:
#2,825 3,188 blocks after it
Position in block:
Transaction 142 of 168
Award day:
Aug 18, 2016 (10 yrs 2 mo ago)
From:
Value:
₱2,352,456.78
Project:
PB INFRA 16-139
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 #2,825 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)PROVINCE OF COTABATO awarded it to ALZEN ENGINEERING AND CONSTRUCTION SUPPLIES on 2016-08-18.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 Cotabato 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 cf7e2cdc7e…47deb3now …
- 2. Block Merkle root changedstored 8af1700fa2…d32f7bnow …
- 3. Block #2825 hash changedstored c859840b8e…762044now …
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 167 records. Each step hashes the current value together with the sibling shown.
- leaf cf7e2cdc7e93641b9a034c17b3adc1160aae0a5d0dfe84c7d6e650770d47deb3
- 01 R d45d326967da2c7a3e23069721af7f66606366f07a7f683fe0aeffbe5f31b52e
- 02 L a15494d5b1fefb708c3f1f36ad670f12bb25b6e1d1660f9764e0ded29175df6a
- 03 L 12c14c17a431cb12cf9d6711ad83f255c251c2c8a89ecd5b68b49c65236433f4
- 04 L d6a16e57ed4eb31bb7b09a242276cdbcf279f3f3d98015e026c3096b2825f845
- 05 R d2096dc99730880681351a8b48fbc2261abce00b969cf816dddfbbdd4c03085c
- 06 R 012df63d8b0de417472111aeed3913d12aa94e6f183e548354b81f1de1663dcd
- 07 R 884230f906e56d04316b7f506fe6cf6a632c6a991c19f1dd14ff20de4ec99f5d
- 08 L 0f0366cf17f0524d7e858a3dfee145bcf0d6fee67a092144aa597c4ead2816ef
- root 8af1700fa2b3130282612fed6101cd5bdf334bc40b59d2f5a3515ca01fd32f7b