OpenTechnical

OT-2026-000103919

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, two stage ejector, pulsed blow-off after 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-2026-000103919) never changes.

Identity and time

Publication numberOT-2026-000103919 · never reused
Internal UUID01a0aea5-15e7-7591-97fd-25c7b0bfa97a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103919
StatusPUBLIC

Content hashes

Canonical textd79e42f0b0b16c733026d7cf0cfbb84e98e00caecca370e96f383fb7f6c5a3e2
Markdown6e114fb35ab401c009ef41a9631c82af3d022752abfe3c0abe6e057fc9ca487b
PDF
Publication pageb88610724135534bef11707b2177d1d11d4af687edee842d54a96c2c9f433db6
Manifest018bb2a02a78befd48b409478c2892effae39d7b1fc56a973fea69800a67c12a

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
SignaturemHaBgkSk4/8/dix11utOPChvJMvT0uxClvXWOBXB+9yhK3Q0zCqErhnnR1WhLIwwa/JvhtQ/choe2uPlPZsfAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:54.862316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103919
observed b88610724135534bef11707b2177d1d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:54.846048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103919/manifest.json
observed 018bb2a02a78befd48b409478c2892ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:54.828830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103919/publication.md
observed 6e114fb35ab401c009ef41a9631c82af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:54.812920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103919/publication.txt
observed d79e42f0b0b16c733026d7cf0cfbb84e...
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.