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 DAVAO DEL SUR Award a ₱2.5M contract to NLC CONSTRUCTION AND SUPPLIESProvinces
Transaction hash:
8dfc8d76b35799e12f7ff48aa1d72d5815c97c2532d8a810d1a7fe14f5a91f01
Status:
Included and unchanged
Block:
#3,356 2,657 blocks after it
Position in block:
Transaction 124 of 223
Award day:
Mar 9, 2018 (8 yrs 8 mo ago)
Value:
₱2,468,378.13
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 #3,356 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 DAVAO DEL SUR awarded it to NLC CONSTRUCTION AND SUPPLIES on 2018-03-09.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 Davao del Sur 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 8dfc8d76b3…a91f01now …
- 2. Block Merkle root changedstored 248e61c84e…b15303now …
- 3. Block #3356 hash changedstored 20bdc04b7e…be0e9cnow …
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 222 records. Each step hashes the current value together with the sibling shown.
- leaf 8dfc8d76b35799e12f7ff48aa1d72d5815c97c2532d8a810d1a7fe14f5a91f01
- 01 R 8f117890b2ba0878991df8254c37184345cc84cde8df129ae9a685fbd2f23561
- 02 R 53a24352a568c752ded9a18fe4cfdaaa34590ab3b75e094bdf194590e666b8f8
- 03 L 2ff1874416929b627f791b48491fe44a7b6745a52208071ea142ce4fccc27817
- 04 L b8e0ec7f6fc0fd8a27b24929017252d369de1beec08de5d408e812fc8decca51
- 05 L eb87e2b15ea0b0133fc7311c17874ed8f666b4a3220cac692f6f370dff653839
- 06 L 1746d52bf5a9c20e2dd2e61b8365c19b8de606779e6e4a842d780e95e5f46155
- 07 L 24cff5a24d2e9a1c5198908e51f583421f6719ec68b369a1b1d1ed90515c2d77
- 08 R d91034ebc2093eafc4b6a5f53e1a4e894f5f095e1a58a099e9b5c8ebbfea1af2
- root 248e61c84e6c418b591906687a6830c055d997fdb15038e282f0accad1b15303