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
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - DAVAO CITY DEO Award a ₱2.9M contract to LANDEVTECH CONSTRUCTION AND SUPPLYNational agencies
Transaction hash:
ca15f87e1a42e12a37736143b97a19b1029fc0ea7dbaf11ac9577cab1aa43949
Status:
Included and unchanged
Block:
#4,460 1,553 blocks after it
Position in block:
Transaction 201 of 243
Award day:
May 26, 2021 (5 yrs 5 mo ago)
Value:
₱2,910,048.58
Project:
21LB0212
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 #4,460 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - DAVAO CITY DEO awarded it to LANDEVTECH CONSTRUCTION AND SUPPLY on 2021-05-26.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 ca15f87e1a…a43949now …
- 2. Block Merkle root changedstored acd68b91e7…c471a0now …
- 3. Block #4460 hash changedstored 3c3c14ec64…8e6e09now …
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 242 records. Each step hashes the current value together with the sibling shown.
- leaf ca15f87e1a42e12a37736143b97a19b1029fc0ea7dbaf11ac9577cab1aa43949
- 01 L c9c4a7c1df376bbe32544bc561a198a7c12a3112b093893c628631cbf3697e8c
- 02 R 2713765a08ef3381063a1b208590d00107a1229d9d95cc19ef4359b5edacc4a1
- 03 R 530df6c168a3950354feeaeeedcabef0d4a9fcf5bcc89b8310ebcf6e3f2489ec
- 04 L 8500c7aefcb82881708b4e65bfd8f12b27efd24103a363e41c621d5e6ae6a459
- 05 R 4081265f1d2e890cbf5d53a84e0e968ed5497350f254b0328fe865214ac58972
- 06 R 912d97f9d43c545b0d4cb6eb421cc240c1556a4fabe8463f53b8ab5e3c241f0d
- 07 L 9a6ece3254febba4b92b104381dfc1a494d9ce7ef5203d1222d4f7cbe666c988
- 08 L ca9cbdcc2d2542da70e619395e081f3c54aeeef7b646f7a53546d2d523e30208
- root acd68b91e7048ae8ca383d0ac4741e0620f5941977370d1a4ea4317b83c471a0