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 BULACAN Award a ₱3.0M contract to OLYMPUS MINING AND BUILDERS GROUP PHILS. CORP.Provinces
Transaction hash:
8d67c729abeebb488da613ade326ede08a1a93877a3a56badad890e7476c2f47
Status:
Included and unchanged
Block:
#4,611 1,402 blocks after it
Position in block:
Transaction 263 of 475
Award day:
Oct 27, 2021 (5 yrs ago)
From:
Value:
₱2,984,330.00
Project:
PEO-2021-127
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 #4,611 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 BULACAN awarded it to OLYMPUS MINING AND BUILDERS GROUP PHILS. CORP. on 2021-10-27.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 Bulacan 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 8d67c729ab…6c2f47now …
- 2. Block Merkle root changedstored 8bdfc8fae8…48b275now …
- 3. Block #4611 hash changedstored 314b9ebd15…8f1203now …
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 474 records. Each step hashes the current value together with the sibling shown.
- leaf 8d67c729abeebb488da613ade326ede08a1a93877a3a56badad890e7476c2f47
- 01 L 8cccdfe7a9dd939fbeb0046e08797a3518d42c7d291a8ffa62e92fa2dff380e3
- 02 L 349191693b1546b4522bd2b01c9c29fdb54ff8f3b06da27d7c3f49830f29c0ab
- 03 L 8642ba064f45b033278b5e5c6564027bc27b57e3cf3e8e6cc5f197366b434ddf
- 04 R 3c0db650e7b7ee08c39068dd91bc606f0d073c39fc66806dbde1c821fa1b1b0d
- 05 R 221db594b7b13d71993e163bc715b65cd641779ed3eec4e515656a6eddf558af
- 06 R 890e29fd254a912da2d3829fd5064adb24655217c11df0243dba18c79ab8c38b
- 07 R 6d326a92917191beefd5e18907fc7913f7e5e6a0425d820ad27e65e9b019f981
- 08 R c943647fcb834eff75ea0105de8c84efe3df544c1f33fa76754c4db9f3ab277b
- 09 L 818f346d52c7907f82b0bc2bef454d10b770b6ef4415cf9dc7ac2dd427639e09
- root 8bdfc8fae830a3827356c9dcf45c6a45478a6d829ff8d6fffeea5a183348b275