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 NORTE Award a ₱2.9M contract to JD LINDO BUILDER OPCProvinces
Transaction hash:
9e5dca2da6a0b176c8f58a4eda88d0f79c3b1695270e7e498e286e93688459a0
Status:
Included and unchanged
Block:
#5,048 965 blocks after it
Position in block:
Transaction 172 of 281
Award day:
Jan 26, 2023 (3 yrs 9 mo ago)
Value:
₱2,872,317.49
Project:
20227087B/2022085449
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 #5,048 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 NORTE awarded it to JD LINDO BUILDER OPC on 2023-01-26.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 Norte 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 9e5dca2da6…8459a0now …
- 2. Block Merkle root changedstored b86674f806…4df2dbnow …
- 3. Block #5048 hash changedstored 94d9f5d0a8…0987ffnow …
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 280 records. Each step hashes the current value together with the sibling shown.
- leaf 9e5dca2da6a0b176c8f58a4eda88d0f79c3b1695270e7e498e286e93688459a0
- 01 R 9fca19b5c9a87ab9431362d1b6044924129cdd8c113475a93b61534ea6baa29b
- 02 R d5cc099fb752383af11474bb0f0fc0021e04129dd1bacd23d791351c95d9f9dd
- 03 L e6778d5556b164ef819099b38dd9ee3f9ab76c8f0be12cf241f39b3d60483aeb
- 04 L d11ffb0726bd35d535c49b0d09360da3ca738639ad90c1c7d18798df90d01160
- 05 R 60d5f6e39bf60897f9e5b1ec95886fb3139466922d19026aea24141646912bdb
- 06 L fd336460d1b219c1c9c50f31fbb19b5968337d38092c583b76e67d281034173f
- 07 R c90b70ee274593f27f133b309b3dc5499edf06287ecfaa15e570d3deeeef32b3
- 08 L a2f146f62e12613b7f30b31e680e5e2ee959308ab1d86e4e9b22cc669a5f680d
- 09 R e7557cadd47de9e6885bc70b5814ccc6cb486a701569ec72f30f05e44a2f8256
- root b86674f8061d2789867e2dd58f9bdc46cd11308fe02b8fb05394a413934df2db