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 LUMBAN, LAGUNA Award a ₱6.0M contract to M.C. DELA CRUZ ENTERPRISES AND GEN. CONTRACTORMunicipalities
Transaction hash:
ea3eddf6cdbef63ffe9cc94aadc5db7228c42ab86e0b7ad8d2e9cbf3bbb3460f
Status:
Included and unchanged
Block:
#4,294 1,719 blocks after it
Position in block:
Transaction 13 of 14
Award day:
Nov 30, 2020 (5 yrs 11 mo ago)
Value:
₱5,987,465.96
Project:
Construction Service
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 #4,294 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 LUMBAN, LAGUNA awarded it to M.C. DELA CRUZ ENTERPRISES AND GEN. CONTRACTOR on 2020-11-30.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 Lumban gave a "unmodified" 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 ea3eddf6cd…b3460fnow …
- 2. Block Merkle root changedstored 92180c86d5…e580dcnow …
- 3. Block #4294 hash changedstored e63a095328…f70d37now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (4 steps)
How this one record is tied to the block's Merkle root, without needing the other 13 records. Each step hashes the current value together with the sibling shown.
- leaf ea3eddf6cdbef63ffe9cc94aadc5db7228c42ab86e0b7ad8d2e9cbf3bbb3460f
- 01 L e758f1b4145ed8ec45dffb736be0e1c48367d27da64a4d13a963014fe15ac578
- 02 R bcb83edf589fe6f96d67a10ccd8786838a3fce5fb6b4bea224e08a5b75a506b2
- 03 L bda83b983c3d50adb5f3bf163f03873b4789c45fc0ac7f24d4d1dc3089b1e715
- 04 L 85889bba23eee5de8ab4d7e4636cc2a96dbdf54f92eee0a931bb27865104ef72
- root 92180c86d51312171ebf52643a1551dac456b1abafff746a9a358ed887e580dc