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 NORTHERN SAMAR Award a ₱3.2M contract to CDU CONSTRUCTIONProvinces
Transaction hash:
90c2467fdccc846dc8153094216b4cc4d6cc6957f53a90554f1757f22789a474
Status:
Included and unchanged
Block:
#4,699 1,314 blocks after it
Position in block:
Transaction 311 of 550
Award day:
Jan 24, 2022 (4 yrs 9 mo ago)
Value:
₱3,157,190.00
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 #4,699 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 NORTHERN SAMAR awarded it to CDU CONSTRUCTION on 2022-01-24.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 Northern Samar 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 90c2467fdc…89a474now …
- 2. Block Merkle root changedstored 7cc670843f…85f3afnow …
- 3. Block #4699 hash changedstored 299770b79b…971185now …
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 549 records. Each step hashes the current value together with the sibling shown.
- leaf 90c2467fdccc846dc8153094216b4cc4d6cc6957f53a90554f1757f22789a474
- 01 L 9087dec020596aff4163e77cb1ae6fbe0bf24f1e7bc7c30e0023700bc988f50e
- 02 L 3a29f5c35a40ea32726c3a345a8c168e393f06930ae7c1fd782b0a44373021da
- 03 L 9878be537207bfad1e36a9fdf7e16d189162dcefe2473973a13525adfa7628f9
- 04 R 059974e99711199dcb4ff15feaa64227255a0c39d80534134e456bc41f04b492
- 05 L f7ba5f8e9be9f49cd7e8ee2f7654688362f9526d176ac66c3bcaa11edb943c27
- 06 L fb13ed46ec5af98310806df33330b96838f1d787d28306a14b93161cc7aff6c6
- 07 R 8d12152180d2eb3b5ee1ca5dc760246dc30051765ecf7d61d1a0c8657d2f23ce
- 08 R efaf644c003603481c115bff9338a283a0714ead705b4ea16cd2df9b6b210d51
- 09 L 8b918016f030e0cea67c6c0d8a1b9bec81a3471a59eec8cc1f5d3d9e24686110
- 10 R 9443ec453b1a9144d1f4b908803458d2052e360472d8f02f3e5b84376eeb7fc2
- root 7cc670843ffacae8065a7fe22a946a0bc48d22e1368cfdf9b7b404052085f3af