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 - QUEZON CITY 2ND ED Award a ₱6.6M contract to E.F. CHUA CONSTRUCTION, INC.National agencies
Transaction hash:
2c338c8336ffc8a8a997866af9877835a5a432bf58c0529dbc0c36812a20f9ef
Status:
Included and unchanged
Block:
#3,415 2,598 blocks after it
Position in block:
Transaction 40 of 164
Award day:
May 10, 2018 (8 yrs 6 mo ago)
Value:
₱6,610,794.78
Project:
17-OG-0093
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 #3,415 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON CITY 2ND ED awarded it to E.F. CHUA CONSTRUCTION, INC. on 2018-05-10.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 2c338c8336…20f9efnow …
- 2. Block Merkle root changedstored 67e6cfa0a4…3382b6now …
- 3. Block #3415 hash changedstored 59c97025e7…5146f7now …
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 163 records. Each step hashes the current value together with the sibling shown.
- leaf 2c338c8336ffc8a8a997866af9877835a5a432bf58c0529dbc0c36812a20f9ef
- 01 R 2f94a54f061059a33cf4b486498eff92501052d61ed05aba83933e3bbab251b6
- 02 R e40b9646a87b2843657e811ef4654a4fceb8c2ba4510e40fdc56b63dd262ed4f
- 03 R 53a3510a5bab6207732797640dcf3abd3bb550266a0fcdd449b025de379d4594
- 04 L 4a12079c562e4f32b274dba9d32c25d12e11bb8f9dbebe80c5ad172f83a9019c
- 05 R b34daee29b0de61e9b76a8c697d464e67a9fa6627407a1acd2131389cecb2243
- 06 L 39e7dc8d57e7d57d6fc5ed2a615501cac95244b7205b3e9ab0e85c24cbf85081
- 07 R 39c6b10887676971daaf9f3e682a2de906eff1ac573959cf8ec873cac9732d93
- 08 R 46feae74a4bf9e7c7710a9124ae2ea43199eaa8d40b07596f017a8339196bf02
- root 67e6cfa0a48c067fae4d1310c7a8866fce82576aa7e0808ccc39155b353382b6