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 - REGION VIII Award a ₱78.8M contract to MAC BUILDERSNational agencies
Transaction hash:
b77ccbd3695134a0fb221aee42ea73c98151b73543809b806092c3a45888c3e2
Status:
Included and unchanged
Block:
#2,538 3,475 blocks after it
Position in block:
Transaction 150 of 211
Award day:
Oct 5, 2015 (11 yrs 1 mo ago)
To:
Value:
₱78,751,955.90
Project:
Contract ID No. 15IO0051
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 #2,538 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 - REGION VIII awarded it to MAC BUILDERS on 2015-10-05.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)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 b77ccbd369…88c3e2now …
- 2. Block Merkle root changedstored 70c50bd455…b8f282now …
- 3. Block #2538 hash changedstored 9c1f7d630c…9859denow …
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 210 records. Each step hashes the current value together with the sibling shown.
- leaf b77ccbd3695134a0fb221aee42ea73c98151b73543809b806092c3a45888c3e2
- 01 R b7806292cbaad9f9c19164cc690bbda6604b6d785669277fb8a9232f2e013fae
- 02 L 7d5151b79dcc49736d22843108a89af415ee2535ba42fb2f4e43aa02e14741cd
- 03 L 060debd81bf5a0059bdaa021a128a2e42ee8a4646b4dadbfff0500fde3eed973
- 04 R f6be15789381d596a345d30329215b5fc8d24106f7c8dfd3c8f7b14a18441040
- 05 L cd388f6f44a6c3e6c36e8738adbd8470926e8f8b71b6f999acf330a5118fd209
- 06 R 0480b1e753d7023a727e01c76a3f6bc1b6ab0cdb8263790b1aa56241d4ce2980
- 07 R 128478af7ace97d68eca407baf0e961597401727f878265a351af21e693e31b1
- 08 L b66e684b70a80a90d06933424a27998de0d50211c0980d700bd93e95b433ccf6
- root 70c50bd455d5dce6ecaf104395851a52d9bc53d3ecb7c5611993a87f4db8f282