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 CANDON, ILOCOS SUR Award a ₱2.0M contract to J.A. OLIVAR ENG'G DESIGN, CONSTRUCTION AND SUPPLIESCities
Transaction hash:
14770b2feea96e2437f4f3bdea29f823b7e5a247b85e6e1930ae2ae403434e5c
Status:
Included and unchanged
Block:
#3,866 2,147 blocks after it
Position in block:
Transaction 22 of 278
Award day:
Sep 2, 2019 (7 yrs 2 mo ago)
Value:
₱1,992,524.98
Project:
Infra 1
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 #3,866 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 CANDON, ILOCOS SUR awarded it to J.A. OLIVAR ENG'G DESIGN, CONSTRUCTION AND SUPPLIES on 2019-09-02.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 City of Candon 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 14770b2fee…434e5cnow …
- 2. Block Merkle root changedstored c2169ad19c…9926f6now …
- 3. Block #3866 hash changedstored f4f8907799…f2735bnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 277 records. Each step hashes the current value together with the sibling shown.
- leaf 14770b2feea96e2437f4f3bdea29f823b7e5a247b85e6e1930ae2ae403434e5c
- 01 R 1557492573d427c29d49adff7fbe3aa4bf4a9f8d674f4fd109d6229be8633b4f
- 02 L c8c97d7df7f72105c642ba783951e4963d9d5ef1c7eca7addaa59201716c85a2
- 03 L f6ecc616306353029f8916ee973935f95764a59633686324dd3c117300c72356
- 04 R 8fc8da9ca47f173c183061a94c26ec79610eae33344cda7798f338c9dc781a70
- 05 L 359136508280d4eb142dd3e60390824f8fcf122e7d3629dcaf4d55d23c2a437d
- 06 R 3ec05a95cb4efd7a6c82c53b711f36fd92ae3357643cf7ee9756e3bbf8eb4487
- 07 R 10e59540f040085b9f58a0d97948a5ba31d60fb53acacf217f3ee7f155caf6e4
- 08 R f0d5bc1ebabe383412405422a0ff1fba1df53912f757e6cc6d1e693803912dd3
- 09 R 7182d70b8a55e0fd76895af928d7b681c00142942a995e02edb5313683b67518
- root c2169ad19c9a67e486e96e7af99208efe1395f92b0732d3a7d141a7b0d9926f6