OpenTechnical

OT-2026-000075937

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000075937) never changes.

Identity and time

Publication numberOT-2026-000075937 · never reused
Internal UUID01a0ae94-2a00-75f3-afa0-076c789a0aa5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075937
StatusPUBLIC

Content hashes

Canonical text8c935a5520db760c18bd13b97ed5bf832fbe548707b2fad125a89d6fbb9f923d
Markdown283467b4996093baa973391b86033707166c91756856605c24d531995d23448e
PDF
Publication page068351df8e96c5ccab4bb76692b1d7e6c18f8fa7abbbf58c7e6fbf50ebeaee41
Manifest9ab50453749e16c15aee16e53e9a44f54a451ef7468c8ec5e69ee997e3582315

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
SignatureipzzjAjc5CMYbL1WRWYHH31Oq5FN71cgmNrEnyNAPf10LKCuznuAopg8R1TdrZrVYYJUKhcJzk2YCA44PQygCA==
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

2026-09-17T10:20:03.167775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075937
observed 068351df8e96c5ccab4bb76692b1d7e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:03.149459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075937/manifest.json
observed 9ab50453749e16c15aee16e53e9a44f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:03.129331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075937/publication.md
observed 283467b4996093baa973391b86033707...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:03.109700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075937/publication.txt
observed 8c935a5520db760c18bd13b97ed5bf83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:52.529211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075937
observed 068351df8e96c5ccab4bb76692b1d7e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:52.511845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075937/manifest.json
observed 9ab50453749e16c15aee16e53e9a44f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:52.492885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075937/publication.md
observed 283467b4996093baa973391b86033707...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:52.474393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075937/publication.txt
observed 8c935a5520db760c18bd13b97ed5bf83...
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.