OpenTechnical

OT-2026-000075260

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000075260) never changes.

Identity and time

Publication numberOT-2026-000075260 · never reused
Internal UUID01a0ae93-f200-75da-b14b-4ff8a86e4765 · 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-2026-000075260
StatusPUBLIC

Content hashes

Canonical text0b4ca2dbb0032c3515fec0d91603c425347023c4d928fe23fd83338478bfab72
Markdown9d5acf130759eee2469f54b09ddf87a8a48aa45bfedcad66e4223cef89f8260d
PDF
Publication page0fb8f665ba939a6c3f3c886e3123e94acee173a3b6f6fce89fc19ce17e559248
Manifest0b11c766e3a0394a42cfd88f62cdb6de12f6f855aea32573f8dd30f5f94abe3a

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
SignatureKPZz5uxSgvYKFxxspFizj5shTXt1ePjf9D+QxY3qacVMqIIBCJwuSmXZkk52Mprrh4dmDaUpOjjcYwMcJBoGBA==
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

2026-09-17T10:20:33.919922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075260
observed 0fb8f665ba939a6c3f3c886e3123e94a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:33.677656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075260/manifest.json
observed 0b11c766e3a0394a42cfd88f62cdb6de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:33.659705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075260/publication.md
observed 9d5acf130759eee2469f54b09ddf87a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:33.642222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075260/publication.txt
observed 0b4ca2dbb0032c3515fec0d91603c425...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:54.980184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075260
observed 0fb8f665ba939a6c3f3c886e3123e94a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:54.962657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075260/manifest.json
observed 0b11c766e3a0394a42cfd88f62cdb6de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:54.945488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075260/publication.md
observed 9d5acf130759eee2469f54b09ddf87a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:54.804412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075260/publication.txt
observed 0b4ca2dbb0032c3515fec0d91603c425...
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.