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 CALAMBA, LAGUNA Award a ₱469.3K contract to M.C. DELA CRUZ ENTERPRISES AND GEN. CONTRACTORCities
Transaction hash:
ffb62c41ab7cdb8aac2b9a377b4a8d9c7eeddfb26a7f2b7d7d4d873ed61e0578
Status:
Included and unchanged
Block:
#4,959 1,054 blocks after it
Position in block:
Transaction 206 of 207
Award day:
Oct 27, 2022 (4 yrs ago)
Value:
₱469,264.69
Project:
City Health Office
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 #4,959 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 CALAMBA, LAGUNA awarded it to M.C. DELA CRUZ ENTERPRISES AND GEN. CONTRACTOR on 2022-10-27.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 Calamba 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 ffb62c41ab…1e0578now …
- 2. Block Merkle root changedstored 574377d9ae…0944a1now …
- 3. Block #4959 hash changedstored b50b767947…469fa9now …
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 206 records. Each step hashes the current value together with the sibling shown.
- leaf ffb62c41ab7cdb8aac2b9a377b4a8d9c7eeddfb26a7f2b7d7d4d873ed61e0578
- 01 R ffb62c41ab7cdb8aac2b9a377b4a8d9c7eeddfb26a7f2b7d7d4d873ed61e0578
- 02 L d4013477d58c02d37e282fdcdc3d0ee3fe103b053c2c5e5e6b4bebaa223d57aa
- 03 L 5af53c500543f2a195a489d086ad623fe2ae1148932cc73fb189938a032d17c3
- 04 L 1e5cd315e7653c211904d0c58042256b286998a763488c9945fd591c8f09491d
- 05 R cdcda943f1d2d379f11c4e319e7a33c1888a799183b7fc5d7aaf9fa6fabf760d
- 06 R 4b75c170e917e685afed5f66d007112de02c816ac846a8fed6f09de005d175b1
- 07 L e497f71bf9069aed6153291c8fae4549a3815e84496db11f461ae34f6b1d4b4f
- 08 L 4329dfde62fba724ded46b59d487dc6008d398d897e2944af3af4ad69e77d358
- root 574377d9aedd183a2207c0af3574531b1957af5c278ad7bde5e3aed8aa0944a1