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 - REGION I Award a ₱90.3M contract to ALPHA & OMEGA GEN. CONTRACTOR & DEVELOPMENT CORP.National agencies
Transaction hash:
ee82ab78498fda3d8e438ff61e01610c469b49a8f4509a9856a309348cafe28c
Status:
Included and unchanged
Block:
#3,874 2,139 blocks after it
Position in block:
Transaction 138 of 150
Award day:
Sep 11, 2019 (7 yrs 2 mo ago)
Value:
₱90,304,521.47
Project:
19A00005
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 #3,874 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 - REGION I awarded it to ALPHA & OMEGA GEN. CONTRACTOR & DEVELOPMENT CORP. on 2019-09-11.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 ee82ab7849…afe28cnow …
- 2. Block Merkle root changedstored 3a7d787f06…a73d5cnow …
- 3. Block #3874 hash changedstored 026b489a54…bb4e67now …
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 149 records. Each step hashes the current value together with the sibling shown.
- leaf ee82ab78498fda3d8e438ff61e01610c469b49a8f4509a9856a309348cafe28c
- 01 R f1cba2f322076b0339a0b690c894314cc69ad5d70f1d00100c0bf16b8de59287
- 02 L 2cf064d3596ab6b985a0b0cfe3b0f42893ae3075cae8b54cdadf62784bfadfa7
- 03 R 4b7ad4a6cb42c0541813e6694e6bd5becd814c658c516501adcd23b3e15d0b3a
- 04 L f04c9b54e01bc9a9c6bc432af8362862acf3e55c42d00b515fc115c927e19d91
- 05 R e077441bb5116c744da4acb1989b6bf904189e84f2826c37ddee33a4994ee6ef
- 06 R 9d4bd17bb9eb920678c6f0cab36ce8472936c5d3d8d44e00d084441d551d8e89
- 07 R 336778ac608987d51c159e20f024b1c16835f6707a502860687aa6663f246036
- 08 L 704c90f654e1706253a350912719ba87104107a501f34b131ea418b73a505f47
- root 3a7d787f064544f5a9096894119630b50a7456d2128353f9b90dc4f3c8a73d5c