OpenTechnical

OT-2026-000083293

Publication integrity record

Three cup vacuum gripper, three zone face, single stage ejector, 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-2026-000083293) never changes.

Identity and time

Publication numberOT-2026-000083293 · never reused
Internal UUID01a0ae97-c963-72b7-9b94-944fc0ef206a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083293
StatusPUBLIC

Content hashes

Canonical textdd07913bae14c189a05e5fc143a194b4b17db0db181074ffc726bb65a720a9ae
Markdown3c3ea2ba50c5e8d05e6f2b21c7e71b0602e5c41552a69599774a03aac0652eee
PDF
Publication page1f5121d95ce27f5bfe4125ae168c49b14d8c261f788c32022432d2e7ab0b7828
Manifest79410fd4794aa205e4bb415322467b7d6928ae72d7cddf96addc4ee8f89c19fc

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
SignatureIfsLtXVqo5auQZIYN4y7dsWmXnF67wJceST2ygEO+OaK8QK+wvuAJXEmgn98+PrEjeK/JPtvnHYE6iotpms2CA==
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

2026-09-17T10:00:32.261817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083293
observed 1f5121d95ce27f5bfe4125ae168c49b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:32.243111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083293/manifest.json
observed 79410fd4794aa205e4bb415322467b7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:32.223401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083293/publication.md
observed 3c3ea2ba50c5e8d05e6f2b21c7e71b06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:32.199425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083293/publication.txt
observed dd07913bae14c189a05e5fc143a194b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:41.103911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083293
observed 1f5121d95ce27f5bfe4125ae168c49b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:41.089378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083293/manifest.json
observed 79410fd4794aa205e4bb415322467b7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:41.074118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083293/publication.md
observed 3c3ea2ba50c5e8d05e6f2b21c7e71b06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:41.057611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083293/publication.txt
observed dd07913bae14c189a05e5fc143a194b4...
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.