OpenTechnical

OT-2026-000069281

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six 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-2026-000069281) never changes.

Identity and time

Publication numberOT-2026-000069281 · never reused
Internal UUID01a0ae90-b528-75ef-b637-57e3d02433cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069281
StatusPUBLIC

Content hashes

Canonical texte98c4c2fccd82bcf126bc8789314440a76c5e3d311a896f247fe43f1b1efd4d7
Markdown4add98c20bb4039641c204d9065e349db5887f47687321418c6cbd4c7019acc1
PDF
Publication page62c80c9bc84261d723940c14fdd4c3be50f7735e4431012ed8c99568e6e528a8
Manifest51eeb893cba12d41403515b3f78274ccfd30b01a6786974bc42440ac6444c6d6

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
SignatureevLpSWjOc6UTKwQzMVG9I5rrZTchnUoIy+z7CeGg9fKu/rwi2n7uXxbtjDWKnzM65k5TnX0yAwMd3i1z6MpzCQ==
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

2026-09-17T10:27:21.937476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069281
observed 62c80c9bc84261d723940c14fdd4c3be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:21.918615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069281/manifest.json
observed 51eeb893cba12d41403515b3f78274cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:21.900798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069281/publication.md
observed 4add98c20bb4039641c204d9065e349d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:21.882593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069281/publication.txt
observed e98c4c2fccd82bcf126bc8789314440a...
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.