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 ₱2.1M contract to LR ENGINEERING SUPPLY AND SERVICESProvinces
Transaction hash:
a0400d3573290a3098cd66cd1d7676e592d450320a84f8031581bf031dc7e4ae
Status:
Included and unchanged
Block:
#3,816 2,197 blocks after it
Position in block:
Transaction 165 of 269
Award day:
Jul 11, 2019 (7 yrs 4 mo ago)
Value:
₱2,127,583.00
Project:
B20190025/1901-0193
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 #3,816 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 LR ENGINEERING SUPPLY AND SERVICES on 2019-07-11.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 a0400d3573…c7e4aenow …
- 2. Block Merkle root changedstored 84530792ee…5f7a5enow …
- 3. Block #3816 hash changedstored 1a5e3794ea…9eaa12now …
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 268 records. Each step hashes the current value together with the sibling shown.
- leaf a0400d3573290a3098cd66cd1d7676e592d450320a84f8031581bf031dc7e4ae
- 01 L 9ffe0d0f770aab0cafdbfa4208f22dfb2fd86faa4a189e84d0d74a4056fda391
- 02 R ad33eb88200d3f138c53dd66e67b04d9b7fcdfe171e1b4e0141bc9789c5b80e9
- 03 L 23ff53248ac5fd4a0c3ee9e7c2347784f7b7b26e05c9665731205f41f498c412
- 04 R ae276ffdd87e4f181a2d633fcc3eb65e510906ba0c5caa19c4639b1b931e753f
- 05 R 9fd540d519fa18ebcbdc0a7f65b49515b72c8ef01658bf5b9d6dd096fedaade4
- 06 L bd3404780089f61569def1204da86e43679ae1a4bc32f9e29b1ed26122738fea
- 07 R b64ce8b209e81f9259c334368659c3f39b9b813aa6868fe38c99b4caecd6f2f2
- 08 L 2e97b9d7f8f4b86685c3df5e221148407d6549503168446ec6d7001bce49f258
- 09 R 2e5e5a328c24c44f5eef0fe8a5e812003b7cd7915c972337380475e0e01f2deb
- root 84530792eeb3e39c249b4b8766474109a381dd3d46064a473ffd4ca96f5f7a5e