OpenTechnical

OT-2026-000083921

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, sustained blow-off before set-down

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-2026-000083921) never changes.

Identity and time

Publication numberOT-2026-000083921 · never reused
Internal UUID01a0ae98-0418-7e52-a96f-84a486ce07d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083921
StatusPUBLIC

Content hashes

Canonical texte87752c7cf80c9a756b6b693e09aad072dc5319f4e99f943c3e5a49c9a95009e
Markdown1ce1e61ba3bd971cff47aca4812aa27667df7228e5518b87836d282de3e228f9
PDF
Publication page3bb82f7cca40e62ef55c42f8785497a007667e3b5687ae07cc30c45d639607af
Manifestfeae11e1280c53919243f25b06073a30fcf39eb795becb991d243bef3d43013e

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
SignatureckbyqGBh3DYOgBX4gsr5gd93eGZXpQ0BzlqQfyuxWohr2h2TnN1k5A/ydgDk4fW/z21j/Ekv/f8E1sWlGvDtAA==
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

2026-09-17T10:00:24.878169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083921
observed 3bb82f7cca40e62ef55c42f8785497a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:24.840087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083921/manifest.json
observed feae11e1280c53919243f25b06073a30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:24.822100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083921/publication.md
observed 1ce1e61ba3bd971cff47aca4812aa276...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:24.800641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083921/publication.txt
observed e87752c7cf80c9a756b6b693e09aad07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:35.766540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083921
observed 3bb82f7cca40e62ef55c42f8785497a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:35.748442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083921/manifest.json
observed feae11e1280c53919243f25b06073a30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:35.731428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083921/publication.md
observed 1ce1e61ba3bd971cff47aca4812aa276...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:35.713982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083921/publication.txt
observed e87752c7cf80c9a756b6b693e09aad07...
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.