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 ₱19.2M contract to AARCON BUILDERSNational agencies
Transaction hash:
db3f16d2bb9cc09a3244353ff941e763766814601b9d33358b84674fe1f0e215
Status:
Included and unchanged
Block:
#4,286 1,727 blocks after it
Position in block:
Transaction 723 of 855
Award day:
Nov 20, 2020 (5 yrs 11 mo ago)
Value:
₱19,186,764.10
Project:
20OG0109
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 #4,286 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 2020 LP", i.e. the FY2020 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 - QUEZON CITY 2ND ED awarded it to AARCON BUILDERS on 2020-11-20.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20OG0109: 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 2021-09-12). 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 db3f16d2bb…f0e215now …
- 2. Block Merkle root changedstored 80aa5c382d…02b1dfnow …
- 3. Block #4286 hash changedstored f7bfb9fcde…77d274now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 854 records. Each step hashes the current value together with the sibling shown.
- leaf db3f16d2bb9cc09a3244353ff941e763766814601b9d33358b84674fe1f0e215
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- 02 L 50e29c580b32de87399456e5e5ff15735e57e17bc70863b2482d0d64da77ff67
- 03 R c30e003deb943d20a6d2ffea426b29d5e82d59263654667699d77be72dfdbb2a
- 04 R 1ce25bd58460962a184df235913f698a3be7bd7e35b641d4c166d62e93cb0df5
- 05 L a470c9ea53204c3138685b685ec7540e2e05491018eb96d6a8a5f6af15f420d2
- 06 R 13a8ee2423cd58380b18595272cacb310c7152a0ca06ae50fb033018fef79c3b
- 07 L ef0c2933a425dfe9022e0e07dc65b6156e65cc063d3c037218d2995bc52f9fc1
- 08 L 62785264a1f9af218a34d95a61c940af73c4917f17cd07481387f001adeed09b
- 09 R ee82d3eb2ed96d42965b1403e0dc8a5dd3015c2e81a2f00258641aa8fa7c1d89
- 10 L 327ade80cbfbf4f4458888beecf437b08d211d8f6fb80b60972c9e84d5f43daf
- root 80aa5c382d344b1494d93056f571a074b7c9e4b172129f51f9c85a50cb02b1df