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 - LA UNION 2ND DISTR Award a ₱3.8M contract to E. E. MADAYAG CONSTRUCTIONNational agencies
Transaction hash:
7bc681de1c46c8bbcb74ae1a6ea4edb136305e80b4d837ae72769217f1d3877d
Status:
Included and unchanged
Block:
#2,520 3,493 blocks after it
Position in block:
Transaction 63 of 150
Award day:
Sep 16, 2015 (11 yrs 1 mo ago)
Value:
₱3,759,902.09
Project:
15AF0081
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 #2,520 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 - LA UNION 2ND DISTR awarded it to E. E. MADAYAG CONSTRUCTION on 2015-09-16.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 7bc681de1c…d3877dnow …
- 2. Block Merkle root changedstored 875193ab48…90994bnow …
- 3. Block #2520 hash changedstored c4a4e61a3b…e6aa92now …
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 149 records. Each step hashes the current value together with the sibling shown.
- leaf 7bc681de1c46c8bbcb74ae1a6ea4edb136305e80b4d837ae72769217f1d3877d
- 01 L 7b262f907f45c15f4e7132ca6fab19e3c35b5e9cdc66789920d369ac21542ab6
- 02 L 8b6a40aca66f830169960fc5138345e64a0ae2dc2906378af0c6aa695f7400c8
- 03 L ad5836dba338b92f6deb356eafe144fdd185ee6a4740dbff7a42cd68b1152dc0
- 04 L 7de2f3ea6467f446baa0c07bf83834f5b00bf2decbf72beb0a1ec9e02a568cb5
- 05 L 1a60734b28efe32c9d4a005b1e903e03265618ce2e16a868dcfe42e5e0833db2
- 06 L 3d1d991b19587a0aa61669c11c1d0c0d500cd6715d13202abe05b1d22fed6717
- 07 R 3b2be753d27bd8a5889c304f08fe2d6c1cb2874303739ac661e893927f76c4b4
- 08 R 026bf3eb618a6aa36d2055dcbdac4e5d677eeb7ca964ec2346f4cc8983caa8c4
- root 875193ab4894707d6914fd186a7c60b0fe591f241d8c0bd3194f87374a90994b