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 IV-B Award a ₱75.5M contract to LEGACY CONSTRUCTION CORPORATIONNational agencies
Transaction hash:
c36e6efc2a65cface28abdbfdb28ac5b0ea30d6df799838d3840a4b3ceca1f1a
Status:
Included and unchanged
Block:
#3,931 2,082 blocks after it
Position in block:
Transaction 203 of 271
Award day:
Nov 8, 2019 (7 yrs ago)
Value:
₱75,473,479.91
Project:
18999999999999999871198024812870931552772460396937216
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 #3,931 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 IV-B awarded it to LEGACY CONSTRUCTION CORPORATION on 2019-11-08.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 c36e6efc2a…ca1f1anow …
- 2. Block Merkle root changedstored 8a55b6f6d0…dc3641now …
- 3. Block #3931 hash changedstored 9468fa64dc…bdf079now …
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 270 records. Each step hashes the current value together with the sibling shown.
- leaf c36e6efc2a65cface28abdbfdb28ac5b0ea30d6df799838d3840a4b3ceca1f1a
- 01 L c3081e5c6fc333839a56c0a9e751f3d7c05a360fcfa3261e666e113642ec783b
- 02 L 111ae26aa685e780139b91b36fd17cfa7c1bd43816acf041ed06d9d32816906a
- 03 R 07e2ad3e071104a6d38be60253460ec9aaa7fcb25dbc9e70ba9c2a0a2672d904
- 04 L 32aabbb5098fba85c8981cf91196379b9abce63e0bf69fd9b09ac8e311358da2
- 05 R a3a81ca2905e8bd08770e4c9fb34d8e9c2d974e6118e4e001aa118e1d3ccfab1
- 06 R 773758af52020d52728a82fcd1c7b9bb70acb5dbec8aaa1e45efc45e90cf022e
- 07 L d7ce05d3b57cbf9a644e2b30140a12f3d98ba3d448d0726d7e63e5502198eaad
- 08 L 8076322e8d763e3951fcf608fafee4720720e09f8215ed1d28057fc968a31c3b
- 09 R a5a9da202c02b0e4cd88f8734d6e16b365d5e2afecb631f807c3039fac1c68ab
- root 8a55b6f6d09d163b7e2b396c5c3e24c4ec45d63733cd9a56537895f164dc3641