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 - COMPOSTELA VALLEY Award a ₱31.3M contract to NEN BUILDERS AND DEVELOPMENT SERVICES CORP.National agencies
Transaction hash:
e28d524ce166b46e06d4e2053f7e742ecbfaf1c1d627e4fc41c8b2a19851d038
Status:
Included and unchanged
Block:
#4,521 1,492 blocks after it
Position in block:
Transaction 196 of 219
Award day:
Jul 28, 2021 (5 yrs 3 mo ago)
Value:
₱31,299,772.01
Project:
21LA0138
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 #4,521 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 - COMPOSTELA VALLEY awarded it to NEN BUILDERS AND DEVELOPMENT SERVICES CORP. on 2021-07-28.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 e28d524ce1…51d038now …
- 2. Block Merkle root changedstored 9ac875fdc2…8220fanow …
- 3. Block #4521 hash changedstored 72550fbe6d…04a5f1now …
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 218 records. Each step hashes the current value together with the sibling shown.
- leaf e28d524ce166b46e06d4e2053f7e742ecbfaf1c1d627e4fc41c8b2a19851d038
- 01 R e310d015f8e2de6d5c67a7f9cfff93ff955aa26b836cc7159f7b46d4d6cb1cec
- 02 R 3d2ae8504e7f6486a1013e39e4c23f0f8520d642c7b95940b8e639b0ebdcb2fb
- 03 L d149698cac4ee432fc384c3eb44665666eed99d04d4fe9d5b66060e045327043
- 04 R 09a30db0aca4af0816f6f07f939a66729e1da82d7b028dbf4153d3cc8c7c3f75
- 05 R 1960a8ad9f5965b64912c01973d23cc783efa469b90df1c02c50bd9c48ccb419
- 06 R 4ff3569dec5010aceca54e5510ce453e7d69307edb7239485f86f10dc92f7aaa
- 07 L 1d9181cb5dcf5e184ec3289030134bc391bcc9c324850137bd17ef7aaaa9876a
- 08 L 3a72ff5d1ae589f88bddd9c66fcadf97fc6e3cc62c8742a8e0088308e3bd7757
- root 9ac875fdc2ac6b78a97a03748866cc56d59af401cb38e1cf2680b6b4288220fa