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 LAOAG, ILOCOS NORTE Award a ₱485.0K contract to SHAWIN KONSTRAK CONSTRUCTION AND CONSTRUCTION SUPPLYCities
Transaction hash:
f1c7674087c32b7e4a2c7fa9311463f6bba7ddf9d5df10c6749778f106353b5e
Status:
Included and unchanged
Block:
#4,189 1,824 blocks after it
Position in block:
Transaction 200 of 216
Award day:
Aug 11, 2020 (6 yrs 3 mo ago)
Value:
₱485,000.00
Project:
Construction of Farm to Market Road
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 #4,189 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 LAOAG, ILOCOS NORTE awarded it to SHAWIN KONSTRAK CONSTRUCTION AND CONSTRUCTION SUPPLY on 2020-08-11.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 Laoag 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 f1c7674087…353b5enow …
- 2. Block Merkle root changedstored 11e240cd65…8f9620now …
- 3. Block #4189 hash changedstored 040e78ce6e…720e3bnow …
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 215 records. Each step hashes the current value together with the sibling shown.
- leaf f1c7674087c32b7e4a2c7fa9311463f6bba7ddf9d5df10c6749778f106353b5e
- 01 R f227f611d8ff2a50d47575ec533038500bc483e4e67e17982a71e72ef502dac8
- 02 R 3c2dd10ac86437676e3a6586a825252eaf9d3ebd37d27c5cd086cf0fc06818a4
- 03 R d675bf54749705445263f6d13fad9202426f4653047b91bd79069b8ff9cf94e7
- 04 L 8ab188150ad4c5d9effd9b0d535d105bf78399c73ca96b0dd01829d7f76035e3
- 05 R c82169103b983fe8cb91dc671ced024b1bc1ab3374de4b35305277c453d6335d
- 06 R a38b97d3ceaae2c83fcb3d0439cd0a0385fe88b1f4a32825fd1061dd2f00d53c
- 07 L 4966bf2449e7efc46d2a64620149e055aada4cf947f0ed46d5c41037a41a4173
- 08 L 2f90720cc4257942d1118fbbd02a2a1a020d2306a91c05fb5801af286bdc7e56
- root 11e240cd65b3d666f82bdecc74b810c7122c46ebd0055753d3883655b18f9620