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 ₱2.0M contract to SORONGON BUILDERS AND ENGINEERING SERVICESProvinces
Transaction hash:
a7edfa508e89335f0948dc4501a36ce58ef5402afc5c74b7fe05e4d34bfc1a73
Status:
Included and unchanged
Block:
#5,898 115 blocks after it
Position in block:
Transaction 398 of 592
Award day:
Jul 3, 2025 (1 yr 4 mo ago)
Value:
₱1,999,000.00
Project:
CONSTRUCTION PROJECTS
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 #5,898 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 SORONGON BUILDERS AND ENGINEERING SERVICES on 2025-07-03.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 a7edfa508e…fc1a73now …
- 2. Block Merkle root changedstored 9b945f3ba9…762b4dnow …
- 3. Block #5898 hash changedstored 2acaed3e44…9dc3c8now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 591 records. Each step hashes the current value together with the sibling shown.
- leaf a7edfa508e89335f0948dc4501a36ce58ef5402afc5c74b7fe05e4d34bfc1a73
- 01 R a993fd9e82aa99b5d5623893177f02b467a269fafca039f5edf15a24dd7536c6
- 02 L b56dd2b780d8daceba19c3c7646be7b0c08df69869d613b41cfd9986fe448784
- 03 L 510b6d1b94f6d79493370c011e61133bd14d341bf39d10ab63a27dd720ff384c
- 04 L 45c1e21a7a9e7b528ccd95976ee26cf4fafdae0a01b7aa4a0fb2901aa23e8eb8
- 05 R 0a74710b6070a450043f7b1a005a2f0fdd3ba5d5d1e5607c06d232eb610a9075
- 06 R 1143deec24e0a93c3885e97acc40a6f456b0ddac138324decdd68389bfe468d1
- 07 R 6dee0177bc619bd9bee96ac446dd272f8451fda9e51ec7644956dceade23fa0f
- 08 L d7836e2cf3ba9178f698c12ca00a7bdafb78f1809b2ed4d2538900a71bc6cc5a
- 09 L c190ae7bf367176d34c8303c31c73f34d818e66d036c8db5ead3c65128d776e0
- 10 R eec64a5f61288cbdd43553a8ead3b8a78bc0f00dfdf89c0a0d768cbf5052dde1
- root 9b945f3ba909fb0f6b7b7e2b264c302f7dcc4a5d8c2df000bbad00b22e762b4d