OpenTechnical

OT-2026-000075180

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-2026-000075180) never changes.

Identity and time

Publication numberOT-2026-000075180 · never reused
Internal UUID01a0ae93-f1ff-79d1-8471-3cd95e2ae488 · 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-2026-000075180
StatusPUBLIC

Content hashes

Canonical text87a10d54cbcec1ad3fc8808399a0663affd11e5721a4e9779f593d8bf00d9a1e
Markdown9f9c31417a0a0981328098a9dddb2aaef3b450d47d3d068becf4981c6bda10a1
PDF
Publication pagea430c8b48e6534bbd933bf5200bab6b6f92f4f26ab7530a9619edc264886ce38
Manifestf6fed6c5401252834aa26b378c37eaab1e7cb73d78060681b94043c0f9d14707

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
Signature1OFBSkemNGWWCIU+/ihk214qFgtocvdnXBLEHLdXQ8Aa2dhPqiTEb3JmjH993U3lz2YOuiRoLznEhYpvPWSfCQ==
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

2026-09-17T10:20:25.771841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075180
observed a430c8b48e6534bbd933bf5200bab6b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:25.752268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075180/manifest.json
observed f6fed6c5401252834aa26b378c37eaab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:25.736017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075180/publication.md
observed 9f9c31417a0a0981328098a9dddb2aae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:25.718101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075180/publication.txt
observed 87a10d54cbcec1ad3fc8808399a0663a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:35.003682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075180
observed a430c8b48e6534bbd933bf5200bab6b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:34.984515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075180/manifest.json
observed f6fed6c5401252834aa26b378c37eaab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:34.964001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075180/publication.md
observed 9f9c31417a0a0981328098a9dddb2aae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:34.945721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075180/publication.txt
observed 87a10d54cbcec1ad3fc8808399a0663a...
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.