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 ₱154.5K contract to TWINA BUILDERS AND SUPPLYProvinces
Transaction hash:
23da4ebee64afe1180f3d2ab876a37e6d2b1452b8746db55be084ee4c3e12a66
Status:
Included and unchanged
Block:
#2,522 3,491 blocks after it
Position in block:
Transaction 17 of 132
Award day:
Sep 18, 2015 (11 yrs 1 mo ago)
Value:
₱154,500.00
Project:
C20151162
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 #2,522 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 TWINA BUILDERS AND SUPPLY on 2015-09-18.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 23da4ebee6…e12a66now …
- 2. Block Merkle root changedstored 45574f9373…da2022now …
- 3. Block #2522 hash changedstored 7c2826829e…0707f1now …
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 131 records. Each step hashes the current value together with the sibling shown.
- leaf 23da4ebee64afe1180f3d2ab876a37e6d2b1452b8746db55be084ee4c3e12a66
- 01 L 225f7e854caa4aa39441330dab567889a99178083319a313c5f22633c7a92516
- 02 R 34c40bc3cf3d0741384bdb6c933c17d7f669b2036838648d61c446f6a280bf83
- 03 R 0d2d98ce8b693a85e73c2a6e45cb7970474c3828f9efe5f20f19a2b52632d1a4
- 04 R f62ba02c78dada00fdf6b63783d09279e5c256ea242f74a43c32a12b21885bdc
- 05 L 2b1b78baeff26f3c07a96dd429c5b405bfb992db904484f376bbd618fe0587b5
- 06 R af6e787df7fd4889a608956581a5a8f911973008876fa4c217ab22f39c83a754
- 07 R c515add5195d60608478e77cc06afde77550aeec95a4378168d27f0928a6d292
- 08 R cdab52058d99642ed7292fb4bdd0cb657d624d042198818069159f08074981ec
- root 45574f9373bbe9e0a04f5ebf2349fa7c786f6a929b7df4d6d70be86466da2022