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
PROVINCE OF BULACAN Award a ₱5.0M contract to HAUWEI BUILDERS & DEVELOPMENT CORPORATIONProvinces
Transaction hash:
e2f0c8c142ffb6dbe2fe26d2962242e1bfadf550872bcac72f4b943e0b58f45f
Status:
Included and unchanged
Block:
#5,601 412 blocks after it
Position in block:
Transaction 110 of 126
Award day:
Aug 23, 2024 (2 yrs 2 mo ago)
From:
Value:
₱4,975,401.01
Project:
PEO-2024-076
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 #5,601 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)PROVINCE OF BULACAN awarded it to HAUWEI BUILDERS & DEVELOPMENT CORPORATION on 2024-08-23.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)COA's CY2024 audit of Bulacan gave a "qualified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 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 e2f0c8c142…58f45fnow …
- 2. Block Merkle root changedstored 5752e90aa8…2792c7now …
- 3. Block #5601 hash changedstored f9b2c71ea8…2c96a3now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 125 records. Each step hashes the current value together with the sibling shown.
- leaf e2f0c8c142ffb6dbe2fe26d2962242e1bfadf550872bcac72f4b943e0b58f45f
- 01 R e5205f0ea77bcb21b5591923fc6b3a9b26372b01b663497ffafc43278b8ef4d9
- 02 L a04410f3ba9ce9c099e806cdb47ce27b850d8259f96e687e7e476e4adf8c272b
- 03 L dae25a61b2d2efc82ccc6551d4881a8b7738a6125b2ab3b24f65db752290a810
- 04 L 9ea35e0ce62e52b03493490dddf28ec927e355e4fc121e0772a8142a3b0743bc
- 05 R 4ccb1f075e74abf94f183dcefd6a5e6beb2b9f28e8a67c51a097c977bc502e1f
- 06 L ff5515d8cf62f5e04402d7b75736cc8b715ddfaccde2264f8c165cd7bbec5d18
- 07 L a073896514383e1e1e6d02dde8367bbf583cf10714f3ad440f9e235cb91d41e1
- root 5752e90aa83c30392bc183277479c37ab05e4ba57b37792eb4a2e2ce952792c7