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 ₱748.5K contract to CARESYSTEM TECHNOLOGY SOLUTION CO. INC.Cities
Transaction hash:
705c2a7b388ca01d5d06f658f72f7a9a6771bdc29872f6814512ef3c1d1d2551
Status:
Included and unchanged
Block:
#4,456 1,557 blocks after it
Position in block:
Transaction 125 of 256
Award day:
May 21, 2021 (5 yrs 5 mo ago)
Value:
₱748,500.63
Project:
Infrastructure SVP 02-2021-01
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 #4,456 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 CARESYSTEM TECHNOLOGY SOLUTION CO. INC. on 2021-05-21.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 705c2a7b38…1d2551now …
- 2. Block Merkle root changedstored e07535e87a…2f29bcnow …
- 3. Block #4456 hash changedstored 33aa710dac…b6cc1cnow …
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 255 records. Each step hashes the current value together with the sibling shown.
- leaf 705c2a7b388ca01d5d06f658f72f7a9a6771bdc29872f6814512ef3c1d1d2551
- 01 L 6f6e227c5c26e349140308542435b51a73e925c217bb745eacdc03ced13ad7d9
- 02 R 41197a739acaf4a213f1347ed84a575c6f74fb01666871f359971cd0f43c41e9
- 03 L adfb89f64297ae525832175b0f8465970a8db6646b6411f596552448923c3e54
- 04 L 085d8445c12f6690b4e648abf60555461bc93255a917ff3e62e702564bfad54d
- 05 L 1d36715d13682dcf1d3df6fb684656955f3519de0dd82642a21a2f9af40e10a7
- 06 L cf59b360dd71585f6848038ae232d57bc96ed059c0a632fa16534f0724a75839
- 07 L e02f0b5519bc3b7336d4476c1d71f4e9a62f56ac4f843ce8879de3cde8f69b55
- 08 R 1fa7f0358bfc3482c5213198d3397b0ebb664f1c7c030834dd5ddd96e2b9cc99
- root e07535e87a42d14a2a80bf074d72a1e4299ff3da16b3dccaa411b4cfe82f29bc