OpenTechnical

OT-2026-000046919

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000046919) never changes.

Identity and time

Publication numberOT-2026-000046919 · never reused
Internal UUID01a0ae7e-d0f6-7cb1-a4fc-999def0bdcfb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046919
StatusPUBLIC

Content hashes

Canonical text61320a51412235eea1a6c3dd606c09a8d5dd300f748a6955fb29856a4b210e1f
Markdown438e77b916c47b36a36a2bdb1c3a6a2ef96a605ad6cb19c1cc3a9274a97daa07
PDF
Publication pagec72a6e4cafb3b97325e77b4e0912e699de2842cba953f67c2fed90d091537b42
Manifest481f6b7c135a06c62638ef172b3217648b5e25072c969e9900ae22bab001bf3d

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
SignatureAUlJpY7roOve4Iz5AxM2rs1d6JJGguOY04V0D6hDL2OExBP130uHB3AOX7YvZLw1FS92oaTh0Y9pAOvgqXn/Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:10:03.995842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046919
observed c72a6e4cafb3b97325e77b4e0912e699...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:03.976945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046919/manifest.json
observed 481f6b7c135a06c62638ef172b321764...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:03.958541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046919/publication.md
observed 438e77b916c47b36a36a2bdb1c3a6a2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:03.940301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046919/publication.txt
observed 61320a51412235eea1a6c3dd606c09a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:38.455370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046919
observed c72a6e4cafb3b97325e77b4e0912e699...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:38.436123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046919/manifest.json
observed 481f6b7c135a06c62638ef172b321764...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:38.416447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046919/publication.md
observed 438e77b916c47b36a36a2bdb1c3a6a2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:38.398675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046919/publication.txt
observed 61320a51412235eea1a6c3dd606c09a8...
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.