OpenTechnical

OT-2026-000092931

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000092931) never changes.

Identity and time

Publication numberOT-2026-000092931 · never reused
Internal UUID01a0ae9e-090f-77e4-8780-141f4fe61a5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092931
StatusPUBLIC

Content hashes

Canonical text73e3d4e1623d9abfe4962f07e8a85f006122da501422bc2b66ff27a1c0dc7c74
Markdownca7dc6ad3bf7fb05381cb9b25657be3853dec9326adb1b25aeef8a0ab29a0bc8
PDF
Publication pagee16783333fdb1f2e114137bfa00aebe0e20371b06e6134fd9bf5bb79fc8be32e
Manifest92862c3b126fac99201e81fb48088618af35e4fa9aba9af474d09d5a641ee208

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureTlY0nMd/6AQkLgEcDXeObNJvhIhr66se4RgCfnQUfK4UqaClmosZXW0xrZZlhbQXHOOx7aWxfmJYoiEjAqq2Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:40:02.804701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092931
observed e16783333fdb1f2e114137bfa00aebe0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:02.784983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092931/manifest.json
observed 92862c3b126fac99201e81fb48088618...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:02.765825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092931/publication.md
observed ca7dc6ad3bf7fb05381cb9b25657be38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:02.748321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092931/publication.txt
observed 73e3d4e1623d9abfe4962f07e8a85f00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.