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 - BATANGAS 2ND ED Award a ₱1.5M contract to GREENFIELD CONSTRUCTIONNational agencies
Transaction hash:
49d4dd8e12a7a7cd8b40996f4d5b8b1e0a29b69ab991847e0f89ba6c9d80aa33
Status:
Included and unchanged
Block:
#4,846 1,167 blocks after it
Position in block:
Transaction 54 of 193
Award day:
Jul 4, 2022 (4 yrs 4 mo ago)
Value:
₱1,454,200.00
Project:
22DE0139 Rehabilitation of Riverwall along Tibig R
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 #4,846 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 - BATANGAS 2ND ED awarded it to GREENFIELD CONSTRUCTION on 2022-07-04.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 49d4dd8e12…80aa33now …
- 2. Block Merkle root changedstored 5353190df7…216d97now …
- 3. Block #4846 hash changedstored 0f62d324b4…0d7e44now …
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 192 records. Each step hashes the current value together with the sibling shown.
- leaf 49d4dd8e12a7a7cd8b40996f4d5b8b1e0a29b69ab991847e0f89ba6c9d80aa33
- 01 R 4baf8d6d37443ceafee038f792f3a6833c54e5f577b092270216edfc7a954499
- 02 L 83a6b3b7ec5daad5de56a45c3a6650113b266428b7902edecf120693169113eb
- 03 L 845e99f51542561fdec3ba0335dd060ec72c380577164b555a251cf68307a3a5
- 04 R 049adce9c418fe7da1cdae565e68ddaff108c8a609436ea5221953fd84e4be2d
- 05 L d171a7c14195480ad578de05fb00d46978326cdc89b9fc490c7e38b064b155be
- 06 L 997a823429b944edfa02e114f13fb12dd74d655fac7e741db95bae109155f0c9
- 07 R f2bdd205d436fc1f579a3e81a527e5ef36e7f3d313ba834499bca9583262ebe5
- 08 R 137383b28cb9a03a455fc7e09a0fd15592cb1cd6d3422d0e8a8957b747b5274f
- root 5353190df71741c6518d7a938cd5a3e53c1b5a67cbe66e01b20acb160b216d97