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
PROVINCE OF DAVAO OCCIDENTAL Award a ₱1.5M contract to R. SEMILLA CONSTRUCTION AND MARKETING, INC.Provinces
Transaction hash:
f9194af4a4ea41ed96ae7498aba2b603a7fd109e5299d3283c89ff196ec4f276
Status:
Included and unchanged
Block:
#4,798 1,215 blocks after it
Position in block:
Transaction 720 of 742
Award day:
May 11, 2022 (4 yrs 6 mo ago)
Value:
₱1,498,997.50
Project:
Construction Projects
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 #4,798 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)PROVINCE OF DAVAO OCCIDENTAL awarded it to R. SEMILLA CONSTRUCTION AND MARKETING, INC. on 2022-05-11.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)COA's CY2024 audit of Davao Occidental gave a "unmodified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 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 f9194af4a4…c4f276now …
- 2. Block Merkle root changedstored 9cce638790…0fd03cnow …
- 3. Block #4798 hash changedstored 5006c83b53…4462a6now …
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 741 records. Each step hashes the current value together with the sibling shown.
- leaf f9194af4a4ea41ed96ae7498aba2b603a7fd109e5299d3283c89ff196ec4f276
- 01 R f94a54dbec979e8acd6cce80e044fa9946e1065749e949ed07bdeb95fbf190f0
- 02 R 39cf762272be6f75aa35dce5a31ec190382bd44bf351159de5dcbccdb3fb81bd
- 03 R e48fc0d3789e67bbfe61184cee540a549d5cd815ec8987640dce0a78d2d6c0e3
- 04 R ba3bf1aa468b9e16c87f519b5df286c3f41ce09a9025888b99e1242f0f20612d
- 05 L f1d6c4f709a91cecf44338811eb8872dfad4f41aa5ec105ce2aa93e26cfd8ebe
- 06 R 3dc60d666d6722180da4d8a37efd41f7e55791c55f3f930962dc1187cbd98fc2
- 07 L a3db100f2cf7495f5799e833c8fe97882271a79be3a5464ce1ba7c5c759758f5
- 08 L 2d90273ec0c000e979bc86c9f266e6e1dd2ef80d0cc1af9932615fdd35f70042
- 09 R bacf4f9385930fc748f3cda2a91b2954fd016b4ad2e656b0ca571015b4a33633
- 10 L a10011dcb8bf608029162c036518f2804f42daac0449c1594e275ed7ce78df7f
- root 9cce63879079a6da06fb190c52b2bb84c29396de8abc4c654b67437ec70fd03c