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
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ZAMBOANGA CITY DEO Award a ₱1.9M contract to EMMB CONSTRUCTION AND SUPPLIESNational agencies
Transaction hash:
21895c7dfd26c187a4afb2e5de30564603935e96129e0e4ea9805541829ed681
Status:
Included and unchanged
Block:
#3,822 2,191 blocks after it
Position in block:
Transaction 36 of 261
Award day:
Jul 17, 2019 (7 yrs 3 mo ago)
Value:
₱1,883,343.29
Project:
CONSTRUCTION PROJECTS
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 #3,822 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)DPWH lists the funding source as "Regular Infra - GAA 2019 LP", i.e. the FY2019 GAA. The exact UACS line is not given.Partly
- 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ZAMBOANGA CITY DEO awarded it to EMMB CONSTRUCTION AND SUPPLIES on 2019-07-17.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 19JA0149: Completed, 100% physical progress.Found
- 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)DPWH marks the contract "Completed" (end 2019-10-13). The certificate itself is not published.Partly
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 2 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 21895c7dfd…9ed681now …
- 2. Block Merkle root changedstored 753087076d…775348now …
- 3. Block #3822 hash changedstored a84d894dd9…a616b4now …
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 260 records. Each step hashes the current value together with the sibling shown.
- leaf 21895c7dfd26c187a4afb2e5de30564603935e96129e0e4ea9805541829ed681
- 01 R 21da3839e3a583c1db3a0523548590cbbc1b65ba16e06e6619bf101cd0eac59a
- 02 R 2eabf98c66e06b61f3086807bace3f2b8d7ef8e7059a353cee977b3a63079ef5
- 03 L 7e0fba950034a7cf135859fea9fe231d8ed5b22dc6124f7511c000e2f94ad9dd
- 04 R abc08b71b1aaedf1801929835946d740187fe8a641d95386e6f2b23a99f407a1
- 05 R c46cfaf9a69294e6e1ffdea7d3963928b118bf1fe573815ed0568f9a936a4ef9
- 06 L b1874ac900a9998eece84b15eced4527e09992f6d548394de72e923a5b2f698f
- 07 R dab00bca1649ef8e102652e7a437c48d4814e7c48f622a270382aed107a4af40
- 08 R 64f870b3f73bd7ec15c8e2ffaf1f1c8d9666d754b3a1799a2c02b4a68b79a52d
- 09 R 0c9a166143661a675d0268a29060c9c9edb1da4a40ef1193644030505e7f5f5a
- root 753087076d93efc9a33293a49c1895d57f5dd6738098e96356b5cbc27e775348