OpenTechnical

OT-2026-000089343

Publication integrity record

Foam pad vacuum gripper, two zone face, three 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-2026-000089343) never changes.

Identity and time

Publication numberOT-2026-000089343 · never reused
Internal UUID01a0ae9b-db01-705a-a5d5-ab38dbb3857f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089343
StatusPUBLIC

Content hashes

Canonical text047e9269806ee91b665ff8e44a65f0629c942958ed01bd674fee48ee0d5910f8
Markdownb38fee0eb5dc6bb9767499051529c3414b5ccd8d89888f4732186363c571532c
PDF
Publication page8a3ab799f4318dd7e903be88064a2742049116ca84e928ba2e6a45d8c77303c2
Manifest9992f16070fd70938561582ab1822b4323194ad030c8475eb1221917782f4d0e

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
SignatureRPdt2Q45pwx8qffacai++1u58o0z2tBNziozBuO65KP3se3ReM8zQRVHzQvQhJC6Fmx8eNuO1GfAx8QRixoPBw==
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

2026-09-17T09:47:23.938132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089343
observed 8a3ab799f4318dd7e903be88064a2742...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:23.922909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089343/manifest.json
observed 9992f16070fd70938561582ab1822b43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:23.906494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089343/publication.md
observed b38fee0eb5dc6bb9767499051529c341...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:23.891200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089343/publication.txt
observed 047e9269806ee91b665ff8e44a65f062...
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.