OpenTechnical

OT-2026-000075568

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, vented 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-2026-000075568) never changes.

Identity and time

Publication numberOT-2026-000075568 · never reused
Internal UUID01a0ae94-29fc-7e17-b893-40e7561016e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075568
StatusPUBLIC

Content hashes

Canonical text21b92f2e6455c923478997d298c4242183e6c44dd363257026413600d809c22e
Markdownf6e5343ca85a94571228b318126d3ef7f74023e3cf2215a7a493fec039295f2c
PDF
Publication page808bca349842eaa5b1ea1681bb57f2aa41224598810ed4d9e5ea731ffb5b8e61
Manifest97b9df0372bc4395ed272b1d0343514f1d23ba4dd7390c321124dec868596f2e

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
SignaturerATjOi7gQrE52Ru9KqeCgRSzvUev1qN8xpIIkSlhTeDrB8OVRx857FrpbKxhpYmgwntMZsas/NsgS6nu9cVxDg==
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

2026-09-17T10:13:09.705171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075568
observed 808bca349842eaa5b1ea1681bb57f2aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:09.561761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075568/manifest.json
observed 97b9df0372bc4395ed272b1d0343514f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:09.542641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075568/publication.md
observed f6e5343ca85a94571228b318126d3ef7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:09.523102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075568/publication.txt
observed 21b92f2e6455c923478997d298c42421...
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.