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 ₱1.9M contract to GREENFIELD CONSTRUCTIONNational agencies
Transaction hash:
3b6748eef88a2d051f40e6fa4fa1edffab22e45f66cf7aa35f10192a8a7cba7f
Status:
Included and unchanged
Block:
#4,230 1,783 blocks after it
Position in block:
Transaction 65 of 223
Award day:
Sep 23, 2020 (6 yrs 1 mo ago)
Value:
₱1,872,100.00
Project:
20DE0169 Construction/Rehabilitation of Flood Cont
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 #4,230 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 2020-09-23.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 3b6748eef8…7cba7fnow …
- 2. Block Merkle root changedstored 2bf9bcfaa9…f7bd7cnow …
- 3. Block #4230 hash changedstored 98e00828d8…24d0f9now …
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 222 records. Each step hashes the current value together with the sibling shown.
- leaf 3b6748eef88a2d051f40e6fa4fa1edffab22e45f66cf7aa35f10192a8a7cba7f
- 01 L 3a75db84d9649e6e0825d8b83255078a6bdf0a4e08c040e0172d07fa7e79d3ce
- 02 R b08b42be070281a1925aabac49bf79bca80e9850d2e8f1a2f1156b522a4ee876
- 03 R c9434440bd5672458656c9cd992f1f5a2cef2f6f224afdb0cdb4c468e0e54a19
- 04 R 9be5235200e46927a480a3df0ee3b60d7c62c5d16c7834ba5ef81a938d26b8c2
- 05 R 3ac58310e60d572e944560035c36a9b4651554af9ca8b03081980a7b3a550fa7
- 06 R 9e1db62b2967f7f72b7654f25e34af6c3087811c610f2edd853c2b071593015b
- 07 L 93a5fc15dbf0d5ba0527633f57393e45cccec2eda0f480be67b330ae1830952c
- 08 R 733cd8d02e1db1bde389952a8fdd783744730f5590031765ca8281b9b6d9adcb
- root 2bf9bcfaa960f2a22398e9754f4931ae94282e75a3b3534487d4b7927bf7bd7c