OpenTechnical

OT-2026-000075301

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000075301) never changes.

Identity and time

Publication numberOT-2026-000075301 · never reused
Internal UUID01a0ae93-f200-7924-94d9-61f8f10b800c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075301
StatusPUBLIC

Content hashes

Canonical texte2c45e302c4c115ea2524a7250116d62bf202fb4ce5dab57bb1f37ab929bbc1a
Markdown01dc46492eb4f954deba31e7b589459b424230362eb110bac96bce8ffed035bb
PDF
Publication page271c75bc4ad4b3491ca25f8aba2c465e513a727667ff48854ce59726c9b612f0
Manifest333d176ecc6ab4c605e9686a4f23ffb5e4ac8d3797f614d38a9110b1c3d07b37

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
Signature830uFoAoUlOWY5CSRvXv75fCxPx5eR1TH1RZG5rkMvdFjVZPemwpPpDwHgO1HscYSD9moQLySgkJDU7vSZhVBA==
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

2026-09-17T10:20:42.862106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075301
observed 271c75bc4ad4b3491ca25f8aba2c465e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:42.843229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075301/manifest.json
observed 333d176ecc6ab4c605e9686a4f23ffb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:42.825814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075301/publication.md
observed 01dc46492eb4f954deba31e7b589459b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:42.806425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075301/publication.txt
observed e2c45e302c4c115ea2524a7250116d62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:05.506512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075301
observed 271c75bc4ad4b3491ca25f8aba2c465e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:05.485630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075301/manifest.json
observed 333d176ecc6ab4c605e9686a4f23ffb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:05.466986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075301/publication.md
observed 01dc46492eb4f954deba31e7b589459b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:05.448355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075301/publication.txt
observed e2c45e302c4c115ea2524a7250116d62...
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.