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 ₱177.4K contract to BUILDERS MULTI-PURPOSE COOPERATIVECities
Transaction hash:
c2bd39dee675b99bf8bbc1fa11d5e8d0c37492b4d4a7becd8b601c60bacebda7
Status:
Included and unchanged
Block:
#636 5,377 blocks after it
Position in block:
Transaction 42 of 50
Award day:
Jul 7, 2009 (17 yrs 4 mo ago)
Value:
₱177,367.45
Project:
Concreting of Road/Pathways at Dinaville
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 #636 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 BUILDERS MULTI-PURPOSE COOPERATIVE on 2009-07-07.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 c2bd39dee6…cebda7now …
- 2. Block Merkle root changedstored 061e289c5f…8ea808now …
- 3. Block #636 hash changedstored cdb54a41af…48a048now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 49 records. Each step hashes the current value together with the sibling shown.
- leaf c2bd39dee675b99bf8bbc1fa11d5e8d0c37492b4d4a7becd8b601c60bacebda7
- 01 R c7787066241f96b73f007ef6cf4d928c194627cc916f62504a4bd4641b6ace96
- 02 L 00cb082e972f909a0b32d56e69b7a7b852177226889e996a01a8501992adda18
- 03 R 94329173e734b2aad9fde674ca493d1266523b15883446ea0ee4e4ef221bce6e
- 04 L b276633f8cd18b015f860485b5f4fa9a8ba9d0e0f8915745c81c4e6cc398ca7c
- 05 R 300593031ca682c8dee2e1dab26779d8fdd596d14ac377b67f51707426521133
- 06 L 35d2c9512bf2b710bd7d575b60d3e5408848fa28f1ce0e6a93a1cdc577774de9
- root 061e289c5fdde77a388079cc3b536e476f06a0f2cc95b1153dc873e7298ea808