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 - METRO MANILA 3RD E Award a ₱2.3M contract to ITAMUNGAN BUILDERSNational agencies
Transaction hash:
e83e1c6debf7f372044e7ed4455becfcf9ab2ed33810a25ea0b3d50d3b029b7b
Status:
Included and unchanged
Block:
#4,119 1,894 blocks after it
Position in block:
Transaction 158 of 177
Award day:
Jun 1, 2020 (6 yrs 5 mo ago)
Value:
₱2,334,923.12
Project:
20OD0172
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 #4,119 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)DPWH lists the funding source as "Regular Infra - GAA 2020 OO-1", i.e. the FY2020 GAA. The exact UACS line is not given.Partly
- 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 - METRO MANILA 3RD E awarded it to ITAMUNGAN BUILDERS on 2020-06-01.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20OD0172: Completed, 100% physical progress.Found
- 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)DPWH marks the contract "Completed" (end 2020-08-03). The certificate itself is not published.Partly
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 2 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 e83e1c6deb…029b7bnow …
- 2. Block Merkle root changedstored aea465dbdc…39140fnow …
- 3. Block #4119 hash changedstored b95b0c6668…2b6848now …
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 176 records. Each step hashes the current value together with the sibling shown.
- leaf e83e1c6debf7f372044e7ed4455becfcf9ab2ed33810a25ea0b3d50d3b029b7b
- 01 R e83ef60acdca169756eef27d2e5fa02b1b719e28f72294a626c77d0cc7f844b1
- 02 L b0e3ec3b482071f7f4c2e3a2a09cffb1dc5ad4c6bb026d3bfea2f6b36db2dd9d
- 03 L bb27a31396243b70e5d264fa4293131f42efe9d11b5fe1f044776c8c9d253516
- 04 L 0954c2765f0ec23fbfc175bb3816075eed51f40bf827d61b41e47191bb6a8d55
- 05 L 4c32ce03d80332c2a14b76228524edcb7041b0469c494cc9a2afdd76bcc11887
- 06 R 4bd88d1bdcdbd28ea10428a5c2defb62b930365e001bf15f9b65e6761fa24dc6
- 07 R c55f8503f578f8251ac026e6d7d10006d2a8c36af9f8c27f8e25bf4b92f0781c
- 08 L 7660345f55e7c4410073c4b1bde774d1b0abc5dbfec1d46ebb8e4246464e085e
- root aea465dbdc7c5140a452ada4a871dbc2f3a0e0df5a60703f241990c6d839140f