OpenTechnical

OT-2026-000104184

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000104184) never changes.

Identity and time

Publication numberOT-2026-000104184 · never reused
Internal UUID01a0aea5-341f-7776-a68a-1f8d1abae4d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104184
StatusPUBLIC

Content hashes

Canonical text48675243a36184f59033e3aa18cd7214aa0b396bb0ac30f93936de92f785c445
Markdown7cfbf13aa4f2c465d7f7ddb25eb37ddf6137aabca1a3dab68407ddd0d0059606
PDF
Publication page03837a8698e00ba2d023362b9a07fd1edd71d3262160d069a1d0869f0341baf6
Manifest411468b49bd3fd7dea5b92420c5c2b804c5f9e15ef532850b7e1631e30482ac9

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
SignatureC4L7O+XNKgjnyXUmbTCMGLpK2jTPTskIpv47qdJai328ekNG4LOVbbOo9unuEzWWPHfWfu3fHYCBmsFDQrEhBQ==
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

2026-09-17T09:20:16.696962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104184
observed 03837a8698e00ba2d023362b9a07fd1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:16.680481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104184/manifest.json
observed 411468b49bd3fd7dea5b92420c5c2b80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:16.658408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104184/publication.md
observed 7cfbf13aa4f2c465d7f7ddb25eb37ddf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:16.640852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104184/publication.txt
observed 48675243a36184f59033e3aa18cd7214...
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.