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 - CEBU CITY DEO Award a ₱5.6M contract to A. T. TAN CONSTRUCTION CORPORATIONNational agencies
Transaction hash:
e5a8a0fbc1c8f7579b229379508dc69c24ebb418b8a6157651e2487cd7b801e8
Status:
Included and unchanged
Block:
#2,864 3,149 blocks after it
Position in block:
Transaction 133 of 147
Award day:
Sep 29, 2016 (10 yrs 1 mo ago)
Value:
₱5,633,100.67
Project:
Road Concreting of Guadalupe, Cebu City 2nd LD
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 #2,864 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 2016 Locally Funded Projects", i.e. the FY2016 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 - CEBU CITY DEO awarded it to A. T. TAN CONSTRUCTION CORPORATION on 2016-09-29.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 16HH0056: 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 2017-02-28). 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 e5a8a0fbc1…b801e8now …
- 2. Block Merkle root changedstored 283dd7116a…8cb5fdnow …
- 3. Block #2864 hash changedstored 279dba1e75…809f28now …
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 146 records. Each step hashes the current value together with the sibling shown.
- leaf e5a8a0fbc1c8f7579b229379508dc69c24ebb418b8a6157651e2487cd7b801e8
- 01 L e4231a1f2dd2dca6edb2e8c1833d588bb4e6fe15b145db4d996b371502a74c2f
- 02 R 6e7a3c74930a557e6953ceba4b2f9d76511b321db8a6b6434239108cfc621144
- 03 L 9c9f9088227132c098a4cd2b2a6a4508ad2342f2ea0ba91c18ead2db72ccea1c
- 04 R 41c42e3907a1457d3cbaee7d950c6be93eee7d8b5d2dc3ce939cc441b6359895
- 05 R ed9a109d4167faa3a463c6adebd0cb55b3c44739fad66b98825f38e54d259cc3
- 06 R d19330b44ea23016458b88a2cce66004a3798aa1a6d551ea385325f3fc7322da
- 07 R f3d487716055f0c6315c28ba75f3162f940522a7fd74e92d326dc2e82d536ae8
- 08 L 0f3d195fccae0ee260ad334c18db1b7bb3369c7435a2bd6eb9fc9065aa9421b9
- root 283dd7116aa10534aafe644c6159fddbfc7998e4d4c3c5073d1dab87c38cb5fd