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 ₱4.0M contract to HAUWEI BUILDERS & DEVELOPMENT CORPORATIONProvinces
Transaction hash:
129ba4c1e1575e49fbda7ffc4f23e090067c2c33eedc4deea8a5db710a489591
Status:
Included and unchanged
Block:
#5,532 481 blocks after it
Position in block:
Transaction 20 of 488
Award day:
Jun 13, 2024 (2 yrs 5 mo ago)
From:
Value:
₱3,979,898.47
Project:
PEO-2024-051
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 #5,532 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 2024-06-13.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 129ba4c1e1…489591now …
- 2. Block Merkle root changedstored c5d2133da2…62a8a8now …
- 3. Block #5532 hash changedstored 0050ea65af…79ec3bnow …
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 487 records. Each step hashes the current value together with the sibling shown.
- leaf 129ba4c1e1575e49fbda7ffc4f23e090067c2c33eedc4deea8a5db710a489591
- 01 R 13888bc45b6f59b9f04ed80aef8ff3d0b59daf1218e7a850d76d93779e57d134
- 02 R 2834812033d77e6dfcf58a85e58343fcefeef2d1b10460c03da86c0fe4799fab
- 03 L f2cda653890d2b9f92060bd8b467aa361100faf41d671f646d8714d230d7e48f
- 04 R 8c89d4a200a1ae46a0dc13d7a3026f11422fa85247182737f521a41c1ff90f0d
- 05 L 7ee5406fb9c844aa24eea984c0f4c193a156b6a4a541fe005461f5e2da3ac6a2
- 06 R 307b0219e9b1b704075014820d55776db5be7e8daaed1bfe9da37d18eaffeda0
- 07 R ba456103458d0ee1fb32c168e5b02d4b754e04693af75b76208dcaff1213f97e
- 08 R c0252010e7ac1151b2c6ee94372e75ff50a2f1059e3d4e2e1b8a9c7546ee4b08
- 09 R 3878314000b9890e8cb7c43bc2f4444fecca97bdeb630b1e92752e10ccc8dc0e
- root c5d2133da2bc0e8ab4fc95db6bb18d0c2b8f53a9b1115bbb297e6914a662a8a8