OpenTechnical

OT-2026-000067971

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000067971) never changes.

Identity and time

Publication numberOT-2026-000067971 · never reused
Internal UUID01a0ae8f-c4fd-7984-8853-c560e7914303 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067971
StatusPUBLIC

Content hashes

Canonical text9a22ccee41e803fe69f0a728d343b8191f46278890f3154e70d2846777a19bc5
Markdownf87bc12d74b263123ab23845449372ea655b62f544afd1c0d5d6e86b1c3e332a
PDF
Publication pagea5d5e8874ece11f314f14610b01ee5458272628494a14f571d87c9be9b07349b
Manifestee94671ce6466bc5750cabd4f45fc5154bccbcfb25d300c711a7357435243237

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
SignatureJSi8XpwzTP60X089eaFiDntc9ETJ6KeV1UbYPeJjpbN3rE0leqPygxqaZOTFLAJVi7khKLvIdU7Q0XQrkkwbDA==
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

2026-09-17T10:30:30.937669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067971
observed a5d5e8874ece11f314f14610b01ee545...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:30.917654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067971/manifest.json
observed ee94671ce6466bc5750cabd4f45fc515...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:30.896792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067971/publication.md
observed f87bc12d74b263123ab23845449372ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:30.879993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067971/publication.txt
observed 9a22ccee41e803fe69f0a728d343b819...
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.