OpenTechnical

OT-2026-000057331

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000057331) never changes.

Identity and time

Publication numberOT-2026-000057331 · never reused
Internal UUID01a0ae87-d5bc-75f9-bdaa-94a8d157a237 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057331
StatusPUBLIC

Content hashes

Canonical text6b132f2156758862b6f0fa1ed33c8f87e52a572af9b7c8bd2d61e42d0411b9cf
Markdown049aeb4f9073810da39efdd7facb2351bef10de9fe86e90b0b4547b390fba59d
PDF
Publication page58428412883b65941193e6f61167bbd88acc26dfcff32089cb0d73d308afd5d4
Manifestf6983f862c6de6df5b9259365ea898ac38369234d0deb9310517405d3fe6a874

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
SignatureAPw/g4vhRbE+767s6WeD2HYy0muH4LA6GMtiudzs0GFC9nC9JgRnXu3KQ4L/0TBUwWgXB94OjuLzrXrQC7BSDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:26.978417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057331
observed 58428412883b65941193e6f61167bbd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:26.960115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057331/manifest.json
observed f6983f862c6de6df5b9259365ea898ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:26.941684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057331/publication.md
observed 049aeb4f9073810da39efdd7facb2351...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:26.923156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057331/publication.txt
observed 6b132f2156758862b6f0fa1ed33c8f87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:36.257272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057331
observed 58428412883b65941193e6f61167bbd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:36.237982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057331/manifest.json
observed f6983f862c6de6df5b9259365ea898ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:36.218907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057331/publication.md
observed 049aeb4f9073810da39efdd7facb2351...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:36.199436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057331/publication.txt
observed 6b132f2156758862b6f0fa1ed33c8f87...
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.