OpenTechnical

OT-2026-000087293

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six 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-2026-000087293) never changes.

Identity and time

Publication numberOT-2026-000087293 · never reused
Internal UUID01a0ae9a-cd4e-7a90-8ba1-f00ed9e82bfd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087293
StatusPUBLIC

Content hashes

Canonical text878bdf6ec36c4874fc0b5ae2fea391b693c4fee6e867937e04032b51288ff82c
Markdown92c90737477a24a6b82668f81fcc3837b97e1f8d427e6e87a23558d57bfe1485
PDF
Publication page8e1e9baaaace34c7895c995b8029339a68dc5396377239d6c671d8da6c0b3772
Manifestef887648f2e19c9597b324c2589a382a449c320d0f09a25e512b587e3d01a15f

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
Signaturepd74PWoNXGcU2j8yrahhwAPh7led+F7d5EdgFvTFNLObOWa/ooPbolr15Sp6inDvzXEZJmMZUwuS7HPdNhOYDA==
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

2026-09-17T09:50:26.909875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087293
observed 8e1e9baaaace34c7895c995b8029339a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.907200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087293
observed 8e1e9baaaace34c7895c995b8029339a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.889887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087293/manifest.json
observed ef887648f2e19c9597b324c2589a382a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.887945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087293/manifest.json
observed ef887648f2e19c9597b324c2589a382a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.868217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087293/publication.md
observed 92c90737477a24a6b82668f81fcc3837...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.865746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087293/publication.md
observed 92c90737477a24a6b82668f81fcc3837...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.845499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087293/publication.txt
observed 878bdf6ec36c4874fc0b5ae2fea391b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.843179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087293/publication.txt
observed 878bdf6ec36c4874fc0b5ae2fea391b6...
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.