OpenTechnical

OT-2026-000082111

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, 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-2026-000082111) never changes.

Identity and time

Publication numberOT-2026-000082111 · never reused
Internal UUID01a0ae97-4d93-74ce-9842-d928480e03b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082111
StatusPUBLIC

Content hashes

Canonical text9f7e0057eedea4ba053471c284e925049a969c07aaac981216607f3cf8b13d88
Markdownd503ee60314bcd25169bc4f13e8ebabc42d8f56e4a5f5df1148e771939f84eba
PDF
Publication pagecb55d6c46f7c339c4455d98fa9747db1efba866d829da34ce52fda8662262245
Manifest75a78dfb9bd91d6091bc5a816ee3b9a4d504f4fa78c41d132c65b3c40bf11e32

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
SignatureQZq0dBimtf0Li811to+JPlnXti3WlOLNORVxDH7Vo+7CoUXEsJ0SLem0Qb0cqpr081HM/cGvl4w9G5A58/DKAw==
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

2026-09-17T09:58:55.348371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082111
observed cb55d6c46f7c339c4455d98fa9747db1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:55.331416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082111/manifest.json
observed 75a78dfb9bd91d6091bc5a816ee3b9a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:55.312833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082111/publication.md
observed d503ee60314bcd25169bc4f13e8ebabc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:55.295923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082111/publication.txt
observed 9f7e0057eedea4ba053471c284e92504...
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.