OpenTechnical

OT-2026-000081349

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump 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-2026-000081349) never changes.

Identity and time

Publication numberOT-2026-000081349 · never reused
Internal UUID01a0ae96-f374-7698-ab6f-f6b4e0337e5c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081349
StatusPUBLIC

Content hashes

Canonical text9334084d7069cd4131de84219cd6cfa4162887880664288a7fc6d21a6dfd9654
Markdown7fb4a89fe4d619c49ea652bac4dd4b40bf21602104fab6d29a06a3abae5b72e2
PDF
Publication pagef70c3b2af2eaee16a2691872e4f623dfe03ca8b1374686b169ae852f654f7f7e
Manifest32477106bdf8de2e67e94614ff6e58f49f6a3285d1f527e61d5750e1efd2db66

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
SignatureE/NzCV4z31ORr0ddiOe8/+IFa+w+a2DAsurUn0SfXg8PUdN3RcEgJJIiEV13+iIRJ5IsijvgdKKNC0l/4bdfDw==
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

2026-09-17T10:01:28.630325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081349
observed f70c3b2af2eaee16a2691872e4f623df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:28.612888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081349/manifest.json
observed 32477106bdf8de2e67e94614ff6e58f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:28.594816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081349/publication.md
observed 7fb4a89fe4d619c49ea652bac4dd4b40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:28.575944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081349/publication.txt
observed 9334084d7069cd4131de84219cd6cfa4...
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.