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 ILOCOS SUR Award a ₱2.0M contract to 739 BUILDERSProvinces
Transaction hash:
a310a9cae5f79b2c2c69cdd8fb834a714782454dfbcac4e22338c3ec3257826a
Status:
Included and unchanged
Block:
#3,217 2,796 blocks after it
Position in block:
Transaction 112 of 198
Award day:
Oct 13, 2017 (9 yrs 1 mo ago)
To:
Value:
₱2,004,792.56
Project:
Construction Project
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 #3,217 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 ILOCOS SUR awarded it to 739 BUILDERS on 2017-10-13.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 Ilocos Sur gave a "qualified" 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 a310a9cae5…57826anow …
- 2. Block Merkle root changedstored f9f8636f4b…cbdbb3now …
- 3. Block #3217 hash changedstored 200d0d5bde…2b3ad1now …
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 197 records. Each step hashes the current value together with the sibling shown.
- leaf a310a9cae5f79b2c2c69cdd8fb834a714782454dfbcac4e22338c3ec3257826a
- 01 R a3980c01c3fc35fd2f15c4aafe402e2dc7e2f488f8e7f1de6e8c1b60105ef24f
- 02 R c2ca51902f5c0f3beb1a7dc0836b8e15c310bc2d6c74296ef16f2a197bc7c919
- 03 R 9acb16af18e2c37cb0430065b1d382e596dc7298b0a543ab65c7b8dfeba26dfa
- 04 R e52c7e4b55747a609f2edbce3a320d8ed78313bdb62e878068ece1438290a692
- 05 L 4ec7cf6023a4049ac163eef8cc4fb9583d39fb1fae39880afb660c3ac5bc736c
- 06 L 81849ee56d38d3aa46faf6273edefc9fce5d1127024b5591ee3133b98792edd7
- 07 L 8950e7bf5b1e252bdae71754e64d03361aeef6d841c4d65c4b1043f5184918f7
- 08 R f3a72e93226764b7e3fe87ad871d9f25898054bccc91136cb6168cae2cf1ae83
- root f9f8636f4bc92250361c5a37adc4849313460c67aae8bd207dfadc15cfcbdbb3