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 - QUEZON 1ST ED Award a ₱1.9M contract to ZELAN CONSTRUCTION AND SUPPLYNational agencies
Transaction hash:
da3e75233c7e87abd7b4fe71fd77e96c8f2401592338f04ae58317c9841866f7
Status:
Included and unchanged
Block:
#4,809 1,204 blocks after it
Position in block:
Transaction 184 of 224
Award day:
May 25, 2022 (4 yrs 5 mo ago)
Value:
₱1,904,542.20
Project:
22DK0136
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 #4,809 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 - QUEZON 1ST ED awarded it to ZELAN CONSTRUCTION AND SUPPLY on 2022-05-25.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 da3e75233c…1866f7now …
- 2. Block Merkle root changedstored ce4fc82c13…86740fnow …
- 3. Block #4809 hash changedstored 32ea622160…03cdd3now …
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 223 records. Each step hashes the current value together with the sibling shown.
- leaf da3e75233c7e87abd7b4fe71fd77e96c8f2401592338f04ae58317c9841866f7
- 01 R db3e1cf7ff5f2bd4b5515af3055e16cb95e1e562d63a87d9b8a46b7d1bbf261b
- 02 R bcc9ea746409f5ff42a6edd632c20563952e1fe3a83638fae9b7af3c14a68f42
- 03 R 80d8d49b0e0ade17928500371bed902e95827a3fdb1c605a791a19fa2065d044
- 04 L d340f3084fd3664a389d1e62241b37a7604d49ce768b33ae7d90242e47ab556c
- 05 L c29446a8f89b28ba9ef3e4bff1a746601dcd4cdbb092ced85ae411bdf042f271
- 06 L 38697f8db2169ce9f0728533d78b6ecc42b7a7786477a026467957ec0c64a3fa
- 07 R 09b1e2819b9f7891c63b4f0a661f6081bb1f4fec90d7c4d0040e1910c2db03e0
- 08 L 2cc3a73fcb9dd7af9d8ed48e3d15728836ec7f90dc55202af419a7a318625093
- root ce4fc82c13acefc39b404da61eb9dff3f2fe70e6957925b891798dfdf786740f