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 CATANDUANES Award a ₱292.0K contract to CHRISMAN CONSTRUCTION AND SUPPLIESProvinces
Transaction hash:
7671bd34dbd512288e7bd0914db155146d37a59a1f48e7a725cce0715057dc89
Status:
Included and unchanged
Block:
#1,278 4,735 blocks after it
Position in block:
Transaction 23 of 61
Award day:
Oct 27, 2011 (15 yrs ago)
Value:
₱292,045.60
Project:
Concreting of Codon Barangay Road
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 #1,278 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 CATANDUANES awarded it to CHRISMAN CONSTRUCTION AND SUPPLIES on 2011-10-27.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 Catanduanes 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 7671bd34db…57dc89now …
- 2. Block Merkle root changedstored 45ec82544d…1ce5fcnow …
- 3. Block #1278 hash changedstored ead8496304…4c9238now …
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 60 records. Each step hashes the current value together with the sibling shown.
- leaf 7671bd34dbd512288e7bd0914db155146d37a59a1f48e7a725cce0715057dc89
- 01 L 75ffb75104f4570f4fb9b65db76c1d40fd28d298f64a0eb448a017d75dcea059
- 02 L 4e688385bb011438696d3c3cc11a87569250050998be9b226d14989cfdb98b4c
- 03 L 116e0502aab37f164eb451c5f0a4f8f8d2ed91274ebf0a969ffc2aba29a11349
- 04 R 4e0c265cded5cfd002580070f111b9c7227e8e9e93c671d3de71bb7657ff473f
- 05 L c21757c52322d520806b65b357a0ba8c7f36227ac528010fb0264583184fb360
- 06 R c17a062b33ab449096353ce9b7d2a22fd1b1cd222f726dc8a027209d43aeb237
- root 45ec82544dd4869f9729271288a1dabaa0e851cf0cddc6ca6a3043141f1ce5fc