OpenTechnical

OT-2026-000081911

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, 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-2026-000081911) never changes.

Identity and time

Publication numberOT-2026-000081911 · never reused
Internal UUID01a0ae97-0f76-7493-9563-812ffb04115a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081911
StatusPUBLIC

Content hashes

Canonical text7d87bd7aaa5d1f98e8b1019a41a6a7a77793d8fa910cc7dc9b5993aa149fc80a
Markdown3bc18d608ab62efaaec4bd488258fe0ecbdb1f089d97df537be04f23c8e3c97b
PDF
Publication page9829cb2da1b2c5ddd01e1ddee85b5c21a403bece55e66b6628a4f262670cedca
Manifestf869bb4b148d51080d170271617c1c7064186bebcac755f7470686d02435e6e1

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
SignatureEyqfPUYGn7jS6mkMs+4tiV1Bz5smlfqVr/kd0I5xqgaW7AtjnZu9CxeCbG7eF55NAcC6ONtXULiS+Z4F1pxDCA==
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

2026-09-17T10:01:02.288216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081911
observed 9829cb2da1b2c5ddd01e1ddee85b5c21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:02.271685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081911/manifest.json
observed f869bb4b148d51080d170271617c1c70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:02.254883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081911/publication.md
observed 3bc18d608ab62efaaec4bd488258fe0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:02.237815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081911/publication.txt
observed 7d87bd7aaa5d1f98e8b1019a41a6a7a7...
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.