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
CITY OF DAVAO, DAVAO DEL SUR Award a ₱27.5M contract to BOJUS SUN BUILDERS AND SUPPLY CORP.Cities
Transaction hash:
a7733e63eef66cf255b5f09b0e82c21493aae6ec280818b216d1ce331250aa18
Status:
Included and unchanged
Block:
#4,800 1,213 blocks after it
Position in block:
Transaction 193 of 325
Award day:
May 13, 2022 (4 yrs 6 mo ago)
Value:
₱27,547,040.00
Project:
Infrastructure B04-2022-01
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 #4,800 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)CITY OF DAVAO, DAVAO DEL SUR awarded it to BOJUS SUN BUILDERS AND SUPPLY CORP. on 2022-05-13.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 City of Davao gave a "qualified" 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 a7733e63ee…50aa18now …
- 2. Block Merkle root changedstored e8e89195f7…5e8ff4now …
- 3. Block #4800 hash changedstored 74703e64c0…ecb338now …
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 324 records. Each step hashes the current value together with the sibling shown.
- leaf a7733e63eef66cf255b5f09b0e82c21493aae6ec280818b216d1ce331250aa18
- 01 L a66be0ecf4b31406f59ef62d1668629a76596af8ae3970d495dfe3f26f1870fc
- 02 R e174562cdde0f58de4b52a93c0277e14551f8f33c950fe5af948fb1a6f00d691
- 03 R 1bac45718ebdc66a18789c1bc6a53126d3f16f99b9b50efdcc8e5a29d9cda1e8
- 04 R 957f982168050b9f6b8c55435f675a312f3b8e6e2ed430d4c84ef047bc3cdf01
- 05 R 22baa540797210c677d9a3d03b75f43cfe3b55f0cbb4fd7c63fd0169cbbe251f
- 06 R c3647101e3b2c222f6080ff815d050aef1b8019b73e0e23d588d6684e07a6b4d
- 07 L ccc258961305eddbf524ad47c0b73d872c429c9648098aded12f338d063433ec
- 08 L dff2bf8fc39a25e44ddc17afd6cd6dcc25f82d14a87a6b9087cdd742a8e5f92d
- 09 R 31bf4ebc743b44983338f67cffa0297cbbebb4e81e57bf58eeff68ca6f324779
- root e8e89195f7cad0ae904302fe7b187e218578406f76ae7f9a30ac96a3a15e8ff4