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 ZAMBOANGA DEL NORTE Award a ₱2.0M contract to YSL BUILDERProvinces
Transaction hash:
73bb8f58ed4acba2e2e7579525f50dc2c808ce970e268eef6c1d239532a8fe25
Status:
Included and unchanged
Block:
#1,566 4,447 blocks after it
Position in block:
Transaction 39 of 70
Award day:
Sep 21, 2012 (14 yrs 1 mo ago)
To:
Value:
₱1,956,965.54
Project:
Construction of Multi-Purpose Public Market at Barangay Marupay, Pres.Manuel A. Roxas, Z.N.
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 #1,566 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 ZAMBOANGA DEL NORTE awarded it to YSL BUILDER on 2012-09-21.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 Zamboanga del Norte 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 73bb8f58ed…a8fe25now …
- 2. Block Merkle root changedstored ea9230b4f9…0e9319now …
- 3. Block #1566 hash changedstored 0c417ffe99…94cbb8now …
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 69 records. Each step hashes the current value together with the sibling shown.
- leaf 73bb8f58ed4acba2e2e7579525f50dc2c808ce970e268eef6c1d239532a8fe25
- 01 L 70dcdce5c5f5c55ab4bc971db5e59c9161949ea8f928a7542c7c291bbded94c2
- 02 L 8bd1d757cdcadd5d7e2ce0607563646d7bc0ddeefcf37e36c92c38b2cfba8e3c
- 03 L d98281c8d075d8a08001481d06dedec862c2d5985a7119bd52865908efb30c0a
- 04 R f6a6a19bf40f397b9885a36dccbd29c0e7b69c77f11c34a5ba830fab7147305c
- 05 R a801643b45721e5dc087b0b068bb8e5483146c68dd43a5d3165cf9451a049aee
- 06 L 26a874412494d1acbb5e1f6f35d566faf8dd2ab7dece8de13a813bb5f595b15c
- 07 R 399845616cdda919868389e79749dcb9cbba85a040b12d59218164ac7518cc8e
- root ea9230b4f9f51a8fd8e168d03d74dd5236d41fc43c8f8524dca8086d710e9319