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 - DAVAO CITY DEO Award a ₱84.5M contract to AKN CONSTRUCTION CORPORATIONNational agencies
Transaction hash:
9136afedaf35f208f7ef3ffd6a11a378bc1e32524578bbb2af8ad669be67ec82
Status:
Included and unchanged
Block:
#3,820 2,193 blocks after it
Position in block:
Transaction 213 of 407
Award day:
Jul 15, 2019 (7 yrs 4 mo ago)
Value:
₱84,456,397.91
Project:
19LB0074
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 #3,820 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 OO-2", 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 - DAVAO CITY DEO awarded it to AKN CONSTRUCTION CORPORATION on 2019-07-15.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 19LB0074: 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 2020-10-03). 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 9136afedaf…67ec82now …
- 2. Block Merkle root changedstored 6f2ad5c705…e8fc28now …
- 3. Block #3820 hash changedstored 9fda52af10…c4ae70now …
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 406 records. Each step hashes the current value together with the sibling shown.
- leaf 9136afedaf35f208f7ef3ffd6a11a378bc1e32524578bbb2af8ad669be67ec82
- 01 L 9078e33e02742624d1bf436ad3452b1810a6830286629c6d4de32d81bcaf81f4
- 02 R 63c09f2502fbeac5fa4cd4fcf70f1bb1e1f78db0290c9178a1d353dca1be39e5
- 03 L 9947775bd5f366a61f286e3e7950c47cf30c641a621347f384dd99c496ad5efe
- 04 R a79af518605d4e0c9aff670d8dc6d200c4836f74b545cc7011c3daaf5984ea96
- 05 L c5263b4f580983a3353add4a40ce4598eff1b12dd834d861d2b6de46d5a999fe
- 06 R 3f70fcbccbb998f859bd468c5f40523352c03b538e0fcb13da9db4a07ca63419
- 07 L 7d2541571e23c20d3fb99333a9f56d6a5140fe7e15013f1f38ef96e2fec23e64
- 08 L e23735ac8eccfca6d643373ceade0e83ebb5db724f6254c8eb6b40fc52444fba
- 09 R 33e1ad27785c888d26154fb9b841936f1cac1af58bab75a5923e743514cc4048
- root 6f2ad5c7053d82212926842caad5d965f9f4728f85a056c7cab3161b1fe8fc28