OpenTechnical

OT-2026-000080237

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, three stage ejector, sustained 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-2026-000080237) never changes.

Identity and time

Publication numberOT-2026-000080237 · never reused
Internal UUID01a0ae96-7e77-752e-b10a-8b14f7ed9590 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080237
StatusPUBLIC

Content hashes

Canonical text48aeac9c9310b77cf7c101183f2ab51e846e1de31b1e672e345ac04fdae5a5a2
Markdown180b41bacc18383561709b3bbea679d88ea2a4073d9c1882fef745ae526bf64d
PDF
Publication page197e92c4dfeadf460e9f91b8bdf4c7d75e3f9e7e2ddd82351236c9140faeaa3d
Manifestb1160c05a6ee3539e65d37eee83ae6e357dab51b10f29f5812ecc7811f11d529

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
SignaturektPEVGWd/wwcpeweAgK93CgkrjvlHBOuNVZmyimMmJvDk4gBIiLlZ/QiF9rAMFY4pfIBUUEbt6EskC4/NoqcCg==
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

2026-09-17T10:02:41.697942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080237
observed 197e92c4dfeadf460e9f91b8bdf4c7d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:41.680879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080237/manifest.json
observed b1160c05a6ee3539e65d37eee83ae6e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:41.663493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080237/publication.md
observed 180b41bacc18383561709b3bbea679d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:41.646016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080237/publication.txt
observed 48aeac9c9310b77cf7c101183f2ab51e...
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.