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
MINES AND GEO-SCIENCES BUREAU Award a ₱837.3K contract to HERVELYN INTERTRADING & BUILDERS CORP.National agencies
Transaction hash:
8a0e0d0777f79e7ef75be520e1ca985dd1bd8eaaab0152d25b69284d246e229e
Status:
Included and unchanged
Block:
#1,870 4,143 blocks after it
Position in block:
Transaction 62 of 133
Award day:
Sep 23, 2013 (13 yrs 1 mo ago)
Value:
₱837,308.68
Project:
Construction Project
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 #1,870 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)MINES AND GEO-SCIENCES BUREAU awarded it to HERVELYN INTERTRADING & BUILDERS CORP. on 2013-09-23.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 8a0e0d0777…6e229enow …
- 2. Block Merkle root changedstored 2867360dcd…c89009now …
- 3. Block #1870 hash changedstored 039223ef83…4bdd0fnow …
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 132 records. Each step hashes the current value together with the sibling shown.
- leaf 8a0e0d0777f79e7ef75be520e1ca985dd1bd8eaaab0152d25b69284d246e229e
- 01 R 8b9f042e237dbd6b9f786cd1aa65eb8407b9f01dd790cf20a41e1a072fa3e722
- 02 L 893be4aff3616a1f3bfbb129f7bf9b70564dd6b377d1e4e3f024e481c16439ba
- 03 L c657a489abbee417df27de0e4e86541d24af63483f054c360c30b812cdec6185
- 04 L 37882b40783ed55c6142c1eb986cc48711da77f1a08d1386b3339b7a8aa7068c
- 05 L df848f2c955f6885b181c0e98a1d512c604d38238389b45db990880bdc5c5085
- 06 L c53e490134c5a80efc0ce0905b82cd4fdfb4ed540a5f992b9bd9b918b46d275b
- 07 R 53f49f4544d37453866dabc1d32f46905157fdaecbd50fb7492b98f552fa7fa6
- 08 R 30b2d0af6d4e7c345ac32c4d28c26a95445b67817bfc7422a8bd40df1b75fa69
- root 2867360dcd6d8b7f07a7e7873e3385d332e0a5e868b7680afe96e06c4fc89009