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 SURIGAO DEL SUR Award a ₱4.0M contract to CHRISTIAN LEY CONSTRUCTIONProvinces
Transaction hash:
3f11299872fef4deda8d0fde2b440415951a54fdff8b45c3cf17b327a122f5e8
Status:
Included and unchanged
Block:
#1,827 4,186 blocks after it
Position in block:
Transaction 16 of 69
Award day:
Aug 9, 2013 (13 yrs 3 mo ago)
Value:
₱3,957,998.26
Project:
Civil Works
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 #1,827 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 SURIGAO DEL SUR awarded it to CHRISTIAN LEY CONSTRUCTION on 2013-08-09.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 Surigao del Sur 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 3f11299872…22f5e8now …
- 2. Block Merkle root changedstored ea0404bdfd…c1b6ccnow …
- 3. Block #1827 hash changedstored 34549bbdfe…9bc7b1now …
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 68 records. Each step hashes the current value together with the sibling shown.
- leaf 3f11299872fef4deda8d0fde2b440415951a54fdff8b45c3cf17b327a122f5e8
- 01 R 42279b4fd3485f95929c3b468dd43ad31f8df3b5cf9757f605ddff7eba9af601
- 02 R b21275502704bc3efc3fdbbc60113e1a7042138a047c650843ea9805943ab26c
- 03 R bf70a90cc21ab56af9a276fbefca4aeea6532c157a725e5461554086d55c82f4
- 04 R 626636db2926124eaec07661c853452b63304bfdfe9ff7f1a59a509ff6bd1fbb
- 05 L 77f9a6288022431d0d1c99591c38ad53022572e44ec8e5f2f066673b6912cf8b
- 06 R e062d4fc93a7f0107150994c32a745694b3fb43bca3d377d62cf6a2b05c2613b
- 07 R 87dcc66335a206f5b9ac659b4817235ee566c728f7e882b25610307850a100e9
- root ea0404bdfdad03aa58d1a1b162e6366ba2fe2ff32e3db3f772961e9738c1b6cc