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 PARAÑAQUE Award a ₱1.2M contract to J. I. ESPINO CONSTRUCTIONCities
Transaction hash:
af3510d67c586bbd109eebee604f4408cf0cdf307b4ada6895aa7d778af4b1b4
Status:
Included and unchanged
Block:
#2,493 3,520 blocks after it
Position in block:
Transaction 157 of 250
Award day:
Aug 18, 2015 (11 yrs 2 mo ago)
From:
Value:
₱1,199,737.56
Project:
Drainage System along 18th St. Brgy. Sto. Niño
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 #2,493 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 PARAÑAQUE awarded it to J. I. ESPINO CONSTRUCTION on 2015-08-18.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 Parañaque 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 af3510d67c…f4b1b4now …
- 2. Block Merkle root changedstored ea0881250e…05fc8anow …
- 3. Block #2493 hash changedstored 2c7843bbd0…ecbab9now …
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 249 records. Each step hashes the current value together with the sibling shown.
- leaf af3510d67c586bbd109eebee604f4408cf0cdf307b4ada6895aa7d778af4b1b4
- 01 L ac8d1656f13ce8a0d78b9ff1e0def518e4e9b872ea19d39a133b1041fe37e942
- 02 R cea8023e9a36af30e6fca7cf8f3c47677507a20f0512cf71ab8167491020d136
- 03 L df544c7b567f909588c92a937ac4e63d7e9648f7581a038224429109ae8ef98f
- 04 L 4ef28d6e1c237c97e23cca85db6ff93dc6251fbe16c15ad1997d76a57a06c6cf
- 05 L e7cd9c674c22cf8e7dbf31753d86627ecb003f7a402d77a868300cbd8a71500d
- 06 R b12b51cdd12aa72b88db6457f9d39fef0beb33b8610dacf117d97b4c00d53427
- 07 R 7e88f936ef9b2729baef68a5d429b736d3e7f450efbe1e91017fc8c3b913d0a8
- 08 L 91421df7793c8465742d9ad8f21ac7995c455095c71ae1c21d0c5334b890b005
- root ea0881250e626ce461d0e41e25637f011afb238847ee701132e98df2bf05fc8a