OpenTechnical

OT-2026-000089931

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000089931) never changes.

Identity and time

Publication numberOT-2026-000089931 · never reused
Internal UUID01a0ae9c-428d-7871-9bc0-f60f96bb5b3e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089931
StatusPUBLIC

Content hashes

Canonical text31ec21160e2d63f65ff0d9d59f32b8bf2ea95914ffa08db50083af666b57d8f8
Markdownb32f0d2d1684cb527b5a3897857e13adfb52fc0a35698f9b63b07cbe6cff608d
PDF
Publication page70e9062cd13e6b281451c5473269291280e4b36f36f8a35d4d18f330e47ef991
Manifest93550b6a49cd101671682462a2b17c6b9bdd77370222558b669257d9edc5729e

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
Signature3eESo6ey0ZufLLKQ+NTdsc6qr5U4Gfmxdr9Qw5mI0rI7w+anVsiEo8gYovZ/EYsDAYW/x5E37LFhll9KztfQBg==
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

2026-09-17T09:45:12.590181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089931
observed 70e9062cd13e6b281451c54732692912...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:12.572593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089931/manifest.json
observed 93550b6a49cd101671682462a2b17c6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:12.554418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089931/publication.md
observed b32f0d2d1684cb527b5a3897857e13ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:12.535132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089931/publication.txt
observed 31ec21160e2d63f65ff0d9d59f32b8bf...
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.