OpenTechnical

OT-2026-000100246

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000100246) never changes.

Identity and time

Publication numberOT-2026-000100246 · never reused
Internal UUID01a0aea3-3053-7e57-be62-b3d69ca3408d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100246
StatusPUBLIC

Content hashes

Canonical text01ce685de088af5a4eab5cee2ebcb7751ddb59a736400f5d959b2422216f491b
Markdown2f53c2f43392a9465702ac4ce29fc29cde72d63c98048ff3230db7c9e8e53a9d
PDF
Publication pagee721fcab93cffb522c801b11bc3ccaf7971bbcde89733d574dc148c99c9c30d3
Manifest6791a82b5891cf87b5ccdc060e085715690d98c1ed6d8a46fcbe155e0bcc4b8c

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
SignaturepKSyDuUVJ0n53agWn0ISHO6FX3woBF8s9m8kwIck9AsRBBiVsDUup1cohRE4j2pmhQJBXXZqp3IJI6RdncVKDA==
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

2026-09-17T09:30:02.650326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100246
observed e721fcab93cffb522c801b11bc3ccaf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:02.632899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100246/manifest.json
observed 6791a82b5891cf87b5ccdc060e085715...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:02.615238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100246/publication.md
observed 2f53c2f43392a9465702ac4ce29fc29c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:02.587590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100246/publication.txt
observed 01ce685de088af5a4eab5cee2ebcb775...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:32.310238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100246
observed e721fcab93cffb522c801b11bc3ccaf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:32.292290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100246/manifest.json
observed 6791a82b5891cf87b5ccdc060e085715...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:32.273790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100246/publication.md
observed 2f53c2f43392a9465702ac4ce29fc29c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:32.256809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100246/publication.txt
observed 01ce685de088af5a4eab5cee2ebcb775...
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.