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 NAGA, CAMARINES SUR Award a ₱3.4M contract to J-MARBELA CONSTRUCTION AND SUPPLYCities
Transaction hash:
76cac80e4393e80bb8a3bb16ed7207c14244ea12f024b49524af2f106ca5251d
Status:
Included and unchanged
Block:
#3,128 2,885 blocks after it
Position in block:
Transaction 69 of 191
Award day:
Jul 10, 2017 (9 yrs 4 mo ago)
Value:
₱3,385,241.00
Project:
Infrastructure 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 #3,128 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 NAGA, CAMARINES SUR awarded it to J-MARBELA CONSTRUCTION AND SUPPLY on 2017-07-10.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 Naga 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 76cac80e43…a5251dnow …
- 2. Block Merkle root changedstored b8ef7f2a3d…a776abnow …
- 3. Block #3128 hash changedstored 0c8fd2b55e…9a2b7cnow …
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 190 records. Each step hashes the current value together with the sibling shown.
- leaf 76cac80e4393e80bb8a3bb16ed7207c14244ea12f024b49524af2f106ca5251d
- 01 L 7614c1f0f3e8c20b573d5378c3bc4ebcc4e99c09574719452f16a10cfcef1646
- 02 R 18cd8693897021ce0ccdea59d0e4743de1a0e2e7902eb048f130abe7c721da15
- 03 L 2e9bb0840a2952bf124dbabf4c9f768a38f8acb227f4bbff670a26de51c21239
- 04 R 93f9584a75fe9854d29ee002211273d219e901f90eec40df772938a9950d5cda
- 05 R c32b7f05ff7e42fc8a8df562ad920cb91ed1dfbe18d1c75b76083cfc233a997a
- 06 R 1cb030a43a94b845e8432c9a9eb81e51fa7429a5be28ac47c5853105c70b1043
- 07 L aa985d3b2d368dd9c2e8ad5ea099197ae8affeb395095adb6f34b218e80f8521
- 08 R 689dfaedbd095cfd09d205d1743dc878d480492a97d76f21aaba954c2e6a5dc5
- root b8ef7f2a3d935adda11d25e736ec0c9d2366b3d33420726a4f369527a1a776ab