OpenTechnical

OT-2026-000006235

Publication integrity record

Porous face vacuum gripper, common isolation valve, plant vacuum fed

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-2026-000006235) never changes.

Identity and time

Publication numberOT-2026-000006235 · never reused
Internal UUID01a0a953-e868-7230-983a-94fc7e3b3d79 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:27:23.626968Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006235
StatusPUBLIC

Content hashes

Canonical textfc64c7ee87ce1cea227161f36442b06b56aeec6bb4fdd39b35ca8b4e66c5564d
Markdown781aa69efbeaf3b8c4cba6e279a98775a3cc246e95d860fd08af046bde206f62
PDF
Publication page93afd349a5d54a86393643b95e8697bd9f96001db802de2d7bb9be0fa729b486
Manifest69f6eba1a40b84644832e843bde4a3d968a33ae076b94afa0f2fb39f0547c2e2

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
Signature0bq+C0Ax7CWmLh+ji0g2qvNV+vYbDa4MiKlIHACygUfJsllFXjp95U/jIlqP5MYmDH0nR/DEOEiQDFndG9tRCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:30:11.901202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006235
observed 93afd349a5d54a86393643b95e8697bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:11.887779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006235/manifest.json
observed 69f6eba1a40b84644832e843bde4a3d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:11.872631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006235/publication.md
observed 781aa69efbeaf3b8c4cba6e279a98775...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:11.733293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006235/publication.txt
observed fc64c7ee87ce1cea227161f36442b06b...
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.