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 ORIENTAL Award a ₱28.9M contract to JAI BUILDERS AND SUPPLYProvinces
Transaction hash:
7cdc6a24db6ec98d1597dfebc3064aed974229d1ff1e5ba0b31e390dce41a48f
Status:
Included and unchanged
Block:
#4,589 1,424 blocks after it
Position in block:
Transaction 123 of 243
Award day:
Oct 5, 2021 (5 yrs 1 mo ago)
Value:
₱28,900,175.07
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 #4,589 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 ORIENTAL awarded it to JAI BUILDERS AND SUPPLY on 2021-10-05.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 Oriental 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 7cdc6a24db…41a48fnow …
- 2. Block Merkle root changedstored fe4f7d3dab…05cdc9now …
- 3. Block #4589 hash changedstored e634582c1b…d1c6d8now …
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 7cdc6a24db6ec98d1597dfebc3064aed974229d1ff1e5ba0b31e390dce41a48f
- 01 L 7c90a9a97a00f7f3809eba971b4c063c0bec05d74ee14869c13b3eaf54a6e01b
- 02 L 49a8dbdcbaf065a0edd2b93d0da58f45bd1c06ffeecdc00948fbe1a32fc31f1b
- 03 R 7cd42318cef2eefccdc40e2558c378f6304aead8d18f90d739ff2205e6ef3314
- 04 L df85119db1bb03b56eec474b85fb23c4640428330ca2110b6a86e66161421858
- 05 L 93aeacd84562feb1d99abf92e9f739df7e4372abe26e1920aedc17dd28c2a182
- 06 L 60618ab65a1aa19a8802c455d6c4ef7d57ac55dd6ac3760609d21f6a66e0735e
- 07 L 2594db02bcb7805dbd29e89ad63efda2f87267fceeaade0da99ec2b9c4449cba
- 08 R 8ebd4bbe46e4646683acedd4e99046fe03ac5567207272dec50b020947de8f31
- root fe4f7d3dab47d187ee03ac1052cc7753f93b0891094feec8f5e460d55005cdc9