OpenTechnical

OT-2026-000069008

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, three 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-2026-000069008) never changes.

Identity and time

Publication numberOT-2026-000069008 · never reused
Internal UUID01a0ae90-6dcd-7700-a3c1-d9bca71b1978 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069008
StatusPUBLIC

Content hashes

Canonical text26fd1c670e47631499c0efadad8cd13140cfd8d50489fc2ba6c3d5747d9d2cdf
Markdowncbb50f638bb2feaf7b9c4128744e8ae6959e2d6df517a8f5f4d9dec0263583a9
PDF
Publication page0d85302de4961619c9de735bae8eead407390492d7eded3335d02ff36a9e09bb
Manifestff8d6ce40357d6e213c151f83a5086560908efb56443fc136dcc98ccf793063b

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
SignatureDYcpUSasiNv7EG7oO7K059eAkQ83WeZQOI1A9GhtCtQAc+jubvV+2JBckZX1Rug9cq2bBGMftspqckL5YyZIAQ==
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

2026-09-17T10:28:51.401165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069008
observed 0d85302de4961619c9de735bae8eead4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:51.383866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069008/manifest.json
observed ff8d6ce40357d6e213c151f83a508656...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:51.368512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069008/publication.md
observed cbb50f638bb2feaf7b9c4128744e8ae6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:51.351531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069008/publication.txt
observed 26fd1c670e47631499c0efadad8cd131...
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.