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
MUNICIPALITY OF CALACA, BATANGAS Award a ₱1.9M contract to JUBEN CONSTRUCTIONMunicipalities
Transaction hash:
4e1f4bc1058dfecd7722dda446456ffbfcffdaf2b9af930579a591f9c55b1741
Status:
Included and unchanged
Block:
#2,946 3,067 blocks after it
Position in block:
Transaction 136 of 411
Award day:
Dec 27, 2016 (9 yrs 10 mo ago)
Value:
₱1,911,535.00
Project:
Civil Works
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 #2,946 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)MUNICIPALITY OF CALACA, BATANGAS awarded it to JUBEN CONSTRUCTION on 2016-12-27.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 Calaca 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 4e1f4bc105…5b1741now …
- 2. Block Merkle root changedstored ab24c2f5d3…ccebdenow …
- 3. Block #2946 hash changedstored 3a224c31c8…2d05danow …
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 410 records. Each step hashes the current value together with the sibling shown.
- leaf 4e1f4bc1058dfecd7722dda446456ffbfcffdaf2b9af930579a591f9c55b1741
- 01 R 4e395bc312adbd0b6e12b033e49240102f4507e1c00b986f15c986b6c1d40747
- 02 R 66324173399800d3df34fc9123d30e3eae9ac9cacbd23ef93ffcadb9c94661da
- 03 R faefe55a7fb6b8eb4de9005033c4029a20ca64f0a0488d39809a0c0d5e107b8f
- 04 L 231427d63b7ab4f0f649002cd2bf5f5ea11c122dd5bf7c2cef0271b641ecd29c
- 05 R 26322b120a316a9106cb641ee6f7ae818a35b32ee5de37b1cd6b204df27e3180
- 06 R 0976e85b7946d1961f45c0a231b4f05b7091ed134e63b2d1f13deb1798f90b47
- 07 R a7f80ff726de33b6043ae56565229415e218e6864ecbb9c9bbcf2495e5989859
- 08 L ac1a1fcef597d2df258148114cdf7524aa894703bab0a59e67a7645abe030d03
- 09 R 1bfa31c95f8d270b1410a18d617e3487ccb2f15899f43a1f38f8d64ef3c34fba
- root ab24c2f5d36efb5235a65b34dc8ec1db59e6add29df5cd162621d3c8e6ccebde