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
ISLAND GARDEN CITY OF SAMAL, DAVAO DEL NORTE Award a ₱446.7K contract to JD SOMOZA BUILDERSNational agencies
Transaction hash:
3ea25d8dc758e62935235bf2db2ccbd31efabe65a44dd6a59d74d4f997b12ae2
Status:
Included and unchanged
Block:
#4,169 1,844 blocks after it
Position in block:
Transaction 18 of 100
Award day:
Jul 21, 2020 (6 yrs 3 mo ago)
Value:
₱446,669.51
Project:
COLD STORAGE FACILITY AT PENAPLATA, SAMAL DISTRICT
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 #4,169 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)ISLAND GARDEN CITY OF SAMAL, DAVAO DEL NORTE awarded it to JD SOMOZA BUILDERS on 2020-07-21.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 3ea25d8dc7…b12ae2now …
- 2. Block Merkle root changedstored 1a7c6bb32a…dc356bnow …
- 3. Block #4169 hash changedstored 73930583ca…f459e6now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 99 records. Each step hashes the current value together with the sibling shown.
- leaf 3ea25d8dc758e62935235bf2db2ccbd31efabe65a44dd6a59d74d4f997b12ae2
- 01 R 40619b268a8ef82252329dc7122aaa08d1375825df509534d7383b3470b0e59d
- 02 L 8ff36bc03f4eca450705e73abd943961d7eff1b210b32596c3fd07f9d45c5065
- 03 R ef9361e9e5356953fb03742ca1c1fecf3890b7b5d537f0058d70c3cf58c90680
- 04 R 977ee01ef738b70f5c41959151c8f3033282c81c4d6aa33c3a49cd0d1a481f8a
- 05 L bc1e7b395df17dcb60501668b55225fda9f50e947abdf9804d5740fbef88353a
- 06 R 1a1b129aeefb8cf7dc21350750d93987fd032934c2f0553ea7f00c9858d8a175
- 07 R af2a4fa32a28b212ff8d91f2340046935927da67c850083475ff7994505c7c95
- root 1a7c6bb32a402f3b89182d85a8c48c0446a412628d638700ccccd2fc36dc356b