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 DAVAO DEL NORTE Award a ₱3.2M contract to SBB CONSTRUCTION & SUPPLYProvinces
Transaction hash:
d20b9df116bdeebbb275c3df2c94384efb908477210bf7619ae4c6771258d532
Status:
Included and unchanged
Block:
#1,770 4,243 blocks after it
Position in block:
Transaction 42 of 51
Award day:
Jun 4, 2013 (13 yrs 5 mo ago)
Value:
₱3,157,713.31
Project:
Maintenance of Prov'l Roads of DDN
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 #1,770 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 DAVAO DEL NORTE awarded it to SBB CONSTRUCTION & SUPPLY on 2013-06-04.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 Davao del Norte gave a "unmodified" 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 d20b9df116…58d532now …
- 2. Block Merkle root changedstored 57561fe631…368babnow …
- 3. Block #1770 hash changedstored 5e077efe67…44468fnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 50 records. Each step hashes the current value together with the sibling shown.
- leaf d20b9df116bdeebbb275c3df2c94384efb908477210bf7619ae4c6771258d532
- 01 R d2652bb947d504f2e2adfd40709d52d23ce9df40134f7c1e3681a2b8e4c25e4f
- 02 L 316f2a9693369a4f962e00c1382c1420e7b602d0fa473598fbb9c58f53b9d26e
- 03 R 4a7ce7b8322303b9ccc20dae26035eb733bcba84c0899619daffe170047c3997
- 04 L 946e5612d3244b7ed789e7b9a96b11407c03a65db21f39dd7d1a6c666ae78ce6
- 05 R dfa7e2717172412b1548a74b968186a0ffad6e613d216687a9ef4334fe2d30f0
- 06 L fca1003eaaaa95c1f5880374623e0a294265b9876a94bb21d93c08bf3b187ff3
- root 57561fe631ecbf483b53c6f6ab6327a539975f5b6f08422f674cd39a98368bab