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
PROVINCE OF RIZAL Award a ₱1.8M contract to SAN IGMEDIO BUILDERS INCORPORATEDProvinces
Transaction hash:
53daad40ae57ecd1995cf28828b8cefac7bf90fd74cd6a3759d82be33f57f483
Status:
Included and unchanged
Block:
#2,041 3,972 blocks after it
Position in block:
Transaction 34 of 88
Award day:
Apr 2, 2014 (12 yrs 7 mo ago)
From:
Value:
₱1,795,225.78
Project:
Conc. of Road from Barangay Hall to Pintong Bukawe
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 #2,041 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)PROVINCE OF RIZAL awarded it to SAN IGMEDIO BUILDERS INCORPORATED on 2014-04-02.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 Rizal gave a "not stated" 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 53daad40ae…57f483now …
- 2. Block Merkle root changedstored 231bfdb1d1…746b8enow …
- 3. Block #2041 hash changedstored d0ae5f85f6…f68367now …
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 87 records. Each step hashes the current value together with the sibling shown.
- leaf 53daad40ae57ecd1995cf28828b8cefac7bf90fd74cd6a3759d82be33f57f483
- 01 R 55a1afc1a174d4ca753989ae3bcbc3b828c6a84c1e725c40815e86a342e09c64
- 02 L abe342a85ef174546d009cc6cc378a4a26279bb9e240f01bdc0ff23827da83ec
- 03 R 08f90f00193a09789f1465ca1d209b5540f9513c66ead9a6773f37b45e354085
- 04 R df924885fb48fce092e16ce0669786dab9d195b589bcea981b7d59da753f0703
- 05 R b53516e6cdf077122bab0245c91782daa7efe93e4e94b31abbae879bf5e95314
- 06 L dbf365ae5d197490b757beca122a408801e40884d1e247da417a53a2cf0cc7c4
- 07 R ec68d0e5181b190327c7c6c3e03e372f938d9afa0aa8aa677ecbbf4e8e7dab2a
- root 231bfdb1d105d5fffc126c5a297725442f8fbe029f3ba95bac8ba12cdc746b8e