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 CALOOCAN Award a ₱3.1M contract to QUEEN SOLLESA CONSTRUCTION AND SUPPLY CORPORATIONCities
Transaction hash:
df6b0059abc3853006fc0bbebf10cc25f0cf723d23d33501e827d4bb64f15509
Status:
Included and unchanged
Block:
#1,142 4,871 blocks after it
Position in block:
Transaction 36 of 47
Award day:
May 13, 2011 (15 yrs 6 mo ago)
From:
Value:
₱3,124,012.00
Project:
Concreting of Purification St., Mercedes St., Lourdes St., Barangay 180, Caloocan City
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 #1,142 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 CALOOCAN awarded it to QUEEN SOLLESA CONSTRUCTION AND SUPPLY CORPORATION on 2011-05-13.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 Caloocan 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 df6b0059ab…f15509now …
- 2. Block Merkle root changedstored 77f0ec36b3…362299now …
- 3. Block #1142 hash changedstored 4dc2f26d3b…42fb94now …
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 46 records. Each step hashes the current value together with the sibling shown.
- leaf df6b0059abc3853006fc0bbebf10cc25f0cf723d23d33501e827d4bb64f15509
- 01 R e0a019832ad16a7fc75e890eb794db8f4e24764685604b829cdf630361127c77
- 02 R 22c0e7337732b72e2b3a734b7b6f64ebc7e67f1945c1e72886eed6965fd86477
- 03 L 1d1efe6ccca57f614cfa079b32335d4d6063e238b4fe6c81f0277e3c3a225eaf
- 04 R ca0ccb83c04881b829f4448f761e3cce89a15c2a142121ac8c7321e326c7346c
- 05 R c942c971f124e0111307ce2e2b7bda57473f234046b359519a7e0c4ce84ed33a
- 06 L e1955592fc5f59489bb16923e2b430e837f3301096adca556f4e24414fa725c0
- root 77f0ec36b36233b5797989518efc2ae9618437e0c827beec716d4c2533362299