OpenTechnical

OT-2026-000075168

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000075168) never changes.

Identity and time

Publication numberOT-2026-000075168 · never reused
Internal UUID01a0ae93-f1ff-7b34-bfc0-335851099ea7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075168
StatusPUBLIC

Content hashes

Canonical texta90a4c516772dac2c1f0f2f3f3782328266eb5de23a0d2cea7af7e7c26e9e82f
Markdown47758ca06614c5b46e9ae54968d5f8763d36cc6d8088e1a065876c0d8fb0081c
PDF
Publication page5c52894bc8d0a88afe57184a74eda1da7d4e91e7c0b4e5a6f6e46dcfab3c2a45
Manifest11290beb1cbfbb3895a7b94ca5a222d9f44641f40f52d71114b4ece05a53f7af

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
SignatureJjJfKOzdvV/vTAfNEIiAio993eoxknD5IiDk6MuGHj3AWXuzKr1bm6GUHOeS5rKMssYJs0Gi/R30/xmK/dH8Bw==
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

2026-09-17T10:20:24.899268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075168
observed 5c52894bc8d0a88afe57184a74eda1da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:24.880501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075168/manifest.json
observed 11290beb1cbfbb3895a7b94ca5a222d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:24.862991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075168/publication.md
observed 47758ca06614c5b46e9ae54968d5f876...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:24.844543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075168/publication.txt
observed a90a4c516772dac2c1f0f2f3f3782328...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:31.759069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075168
observed 5c52894bc8d0a88afe57184a74eda1da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:31.738398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075168/manifest.json
observed 11290beb1cbfbb3895a7b94ca5a222d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:31.718805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075168/publication.md
observed 47758ca06614c5b46e9ae54968d5f876...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:31.700003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075168/publication.txt
observed a90a4c516772dac2c1f0f2f3f3782328...
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.