OpenTechnical

OT-2026-000075217

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, single 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-2026-000075217) never changes.

Identity and time

Publication numberOT-2026-000075217 · never reused
Internal UUID01a0ae93-f200-7831-bcc1-5735bff04d4f · 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-2026-000075217
StatusPUBLIC

Content hashes

Canonical textb3218c6c4343256be795560c57ba1847a9d0d947c4c589dca8b324fccdf56c90
Markdowna585a886166d77b492872f988c2b7f1cc8e2e42686247b99803773f047553178
PDF
Publication pagecd2630401b0938326584aa622776e5dabe406b28d49eb6f67db15c9e9f35285e
Manifest1a9d12b4e4a6285719850177a2cabc71e4bae73d3a2f02b55d0f61eaee2ef0cf

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
SignatureAPXFxDOd9a+JyTpuzGhKmIi4M5bmnTTKYMW0CoTF5iTWVjp6oMGHoIcEVAsBFARbwOaUc88gypEgmlOcxwkiDQ==
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

2026-09-17T10:20:29.362259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075217
observed cd2630401b0938326584aa622776e5da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:29.344568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075217/manifest.json
observed 1a9d12b4e4a6285719850177a2cabc71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:29.327184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075217/publication.md
observed a585a886166d77b492872f988c2b7f1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:29.308106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075217/publication.txt
observed b3218c6c4343256be795560c57ba1847...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:44.258062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075217
observed cd2630401b0938326584aa622776e5da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:44.237363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075217/manifest.json
observed 1a9d12b4e4a6285719850177a2cabc71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:44.218162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075217/publication.md
observed a585a886166d77b492872f988c2b7f1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:44.198239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075217/publication.txt
observed b3218c6c4343256be795560c57ba1847...
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.