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 DEL SUR Award a ₱5.0M contract to DAVAO TEKTON CONSTRUCTIONProvinces
Transaction hash:
f91bf25dfbfdbd90736138106cd8ef9373d2af5bc25e6adc14726e3e4d5e8b2a
Status:
Included and unchanged
Block:
#5,476 537 blocks after it
Position in block:
Transaction 427 of 448
Award day:
Apr 17, 2024 (2 yrs 6 mo ago)
Value:
₱4,997,000.00
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 #5,476 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 DEL SUR awarded it to DAVAO TEKTON CONSTRUCTION on 2024-04-17.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 del Sur gave a "not stated" 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 f91bf25dfb…5e8b2anow …
- 2. Block Merkle root changedstored 1f0b34e1b2…ddc3canow …
- 3. Block #5476 hash changedstored ca7b9df49c…3355d1now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 447 records. Each step hashes the current value together with the sibling shown.
- leaf f91bf25dfbfdbd90736138106cd8ef9373d2af5bc25e6adc14726e3e4d5e8b2a
- 01 L f9022e12ad4fca26fae5101a6ea451c6e5a3e600edd659625986e486b9b81901
- 02 L e9f0c2c36ee3248122a0c6dbbd0e83bd44f826f47bb278486bd93f3ff8df81aa
- 03 R 7c7fa55a0a66ce7aefa8eb2b8c093a230e38230eb521df85f2ea79238557bae5
- 04 L d39c7e2e217c39d7149484e416f8e2d9efb1d5f20a66173261427187bb1a9132
- 05 R f03bea00baf55c593707880696629344bb4916bbf5b3e1730549327cb78a852b
- 06 L 421f3376ec68a20dfc436075b73b3496e265f69257fe0fb808043ed633fbc813
- 07 R c2ce67a582fba24c13e52ac1cd74db16447f5df1d2507d490f4a9ade6f9fcacc
- 08 L 6e391abae16fc0bc1260667cd6037205d772fb721f55c26db74c4688b59ad059
- 09 L ab3d3567823293387692e9ab28583028559a5fd46042b70a671803ec35488232
- root 1f0b34e1b27f1fc326159971d2afbb51d5b1c723f7a4364d0cba102b3fddc3ca