OpenTechnical

OT-2026-000081881

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two 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-2026-000081881) never changes.

Identity and time

Publication numberOT-2026-000081881 · never reused
Internal UUID01a0ae97-0f76-7231-983f-6d0d57709a09 · 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-2026-000081881
StatusPUBLIC

Content hashes

Canonical textd40eab0d6a05961833b851f5f36188a85100b8cefafbb8137e6e66ba7eb01b04
Markdown9e45952d340c1c81266d45534d12278d4c6be5506312b65b8e82f795506989c0
PDF
Publication pagec3ce741718e35a34c3bce4fca8ef14c591313e8e2e9fa84410cab391a2d60618
Manifestba8d1b92497814dcc90d9a4bb7a7e0b2fe420e7c2067ac5334a54c81d9d7a13b

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
SignaturekMpb0dLhh7ednVlaXX45ebsUOXkYuA3RW+sB2MdOUQFX4uxXVggbekuu3nXtsnn5jxUevH+RDeigQ8FTRrT9Aw==
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

2026-09-17T10:01:00.105990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081881
observed c3ce741718e35a34c3bce4fca8ef14c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:00.087716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081881/manifest.json
observed ba8d1b92497814dcc90d9a4bb7a7e0b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:00.071119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081881/publication.md
observed 9e45952d340c1c81266d45534d12278d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:00.054729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081881/publication.txt
observed d40eab0d6a05961833b851f5f36188a8...
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.