OpenTechnical

OT-2026-000078017

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, 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-2026-000078017) never changes.

Identity and time

Publication numberOT-2026-000078017 · never reused
Internal UUID01a0ae95-2f44-7a82-9d4d-76f37c9c97e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078017
StatusPUBLIC

Content hashes

Canonical textff7222544fff3badefa809e40b13bf03c263652221930378dcf136d125a40aca
Markdown17e980b775d54ef2e5e6f806ff5c1bc42c4a8b30d9c5102ed6cc22153e22374f
PDF
Publication page432e266d0ec43492ea5e64afc035a264204495204a6d6f06c7185fb03f2a0569
Manifeste01f35e1350e711dd5e4c38b56efd4a8ec7dec26d3b5f42448d44143e1e1850f

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
Signature1D0iGYCR3ST/rDiljrEMG9ROhTf/YDJlIQXO4llh2dOwjuaOPrBRPFVsDetLDdxAr0z2A0dlCAg3maOfrzeaBg==
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

2026-09-17T10:10:31.534349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078017
observed 432e266d0ec43492ea5e64afc035a264...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:31.506203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078017/manifest.json
observed e01f35e1350e711dd5e4c38b56efd4a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:31.486834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078017/publication.md
observed 17e980b775d54ef2e5e6f806ff5c1bc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:31.467157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078017/publication.txt
observed ff7222544fff3badefa809e40b13bf03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:18.346187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078017
observed 432e266d0ec43492ea5e64afc035a264...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:18.326592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078017/manifest.json
observed e01f35e1350e711dd5e4c38b56efd4a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:18.303984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078017/publication.md
observed 17e980b775d54ef2e5e6f806ff5c1bc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:18.284093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078017/publication.txt
observed ff7222544fff3badefa809e40b13bf03...
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.