OpenTechnical

OT-2026-000075187

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, manifold 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-2026-000075187) never changes.

Identity and time

Publication numberOT-2026-000075187 · never reused
Internal UUID01a0ae93-f1ff-79cc-a941-d96bdc2bff8b · 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-2026-000075187
StatusPUBLIC

Content hashes

Canonical textaa318a501749d15d627517a428f4253985f69c6819d15e368522963ee28db3d5
Markdownab767622078ae4f46719a2dac8f436093c0d64b7fc541dbf749282d3e2fef68e
PDF
Publication page4e41e743300045894b036b088d325523e4bc0129551bc278dddb10c60488240f
Manifesta3bf0fd4ced619ac40313af94f0b33c0d9493b6b33d54d1d08b228d51269f713

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
SignatureTJElkPdj24VGBal89mTLKc/rEEXXKGwWj3MTGmVzY7Tdzynkz+kko31Egz2pTflDCAxBfVgvrp3fT2ybSf/tCw==
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

2026-09-17T10:20:26.322627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075187
observed 4e41e743300045894b036b088d325523...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:26.303808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075187/manifest.json
observed a3bf0fd4ced619ac40313af94f0b33c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:26.285503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075187/publication.md
observed ab767622078ae4f46719a2dac8f43609...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:26.265260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075187/publication.txt
observed aa318a501749d15d627517a428f42539...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:36.796506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075187
observed 4e41e743300045894b036b088d325523...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:36.779026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075187/manifest.json
observed a3bf0fd4ced619ac40313af94f0b33c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:36.760658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075187/publication.md
observed ab767622078ae4f46719a2dac8f43609...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:36.742798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075187/publication.txt
observed aa318a501749d15d627517a428f42539...
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.