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 ₱4.0M contract to TKS BUILDERS & SUPPLIESProvinces
Transaction hash:
bb4203104a3fd6ae8e29198145fbdd492075aa3c05b9c405ced5067eca5ad1a4
Status:
Included and unchanged
Block:
#1,599 4,414 blocks after it
Position in block:
Transaction 62 of 80
Award day:
Oct 31, 2012 (14 yrs ago)
Value:
₱3,971,637.42
Project:
Const. of 2 Storey Brgy. Hall/Multi-Purpose Building at Zone 2, Digos City, Davao del Sur
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 #1,599 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 TKS BUILDERS & SUPPLIES on 2012-10-31.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 bb4203104a…5ad1a4now …
- 2. Block Merkle root changedstored a5bcdc34d5…0f0d8fnow …
- 3. Block #1599 hash changedstored 72270c42f0…cbb133now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 79 records. Each step hashes the current value together with the sibling shown.
- leaf bb4203104a3fd6ae8e29198145fbdd492075aa3c05b9c405ced5067eca5ad1a4
- 01 R c5cae799600e07e020007e3188a1453c7b8ac2d55652dfaff96fcdb7831d9c94
- 02 L 40bf9320299a292032ff80aa7184b76be9c03a4ae0cff14e0e08f6f976939d68
- 03 L a6c117ba1433d42e471f57e23fec4e15b319a87f345f51c6c13f3d3d60b29827
- 04 L bb8e6ede251d1fc2ce4445d518a8f11b5dbc79ae8e966e5b5493a9100a86018d
- 05 L 606c3dfe6c860dbf0061353af947b16956e59f0db86c9100f343df82172feead
- 06 L 2453b5cfad4361f9bb2f6d5c491b9da11aba27eb6f28db9f8001f1c8592ac4c9
- 07 R a83e3bc7e685bd290d7b4a935f2118bb197a57594333fd1491cd02611a66c0e8
- root a5bcdc34d53ae0980367ca70c75a21f5abb68080d04b624fae7e2fb0d40f0d8f