OpenTechnical

OT-2026-000079987

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, 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-2026-000079987) never changes.

Identity and time

Publication numberOT-2026-000079987 · never reused
Internal UUID01a0ae96-4377-7f0e-805c-a258b2f9829b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079987
StatusPUBLIC

Content hashes

Canonical text589d751150626dcab0616812a9cab31219086308461d0436e86a02208349a07f
Markdown6226f6e3e42976d45706b686c4b370e5380cdfa24eed2acf2991d666bafd7989
PDF
Publication page38d964e6ead0f85666ae3fc3514bb3b2d04d38873a3a94072c5defca24a5e04d
Manifest18c92e59b6807f61c0b5fa78c557cebedc2091485b190d466832c931b50d3c2c

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
SignaturetGJigRW+bz1esXlCHxqi758vfqnIHeCPwU+P6jka+HGweLwFuobf05DoTo0EYy8w6Wlp0xbML8N3HqyUt5J+DA==
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

2026-09-17T10:03:54.382098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079987
observed 38d964e6ead0f85666ae3fc3514bb3b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:54.363948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079987/manifest.json
observed 18c92e59b6807f61c0b5fa78c557cebe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:54.343814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079987/publication.md
observed 6226f6e3e42976d45706b686c4b370e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:54.326328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079987/publication.txt
observed 589d751150626dcab0616812a9cab312...
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.