OpenTechnical

OT-2026-000075165

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, pump fed, 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-2026-000075165) never changes.

Identity and time

Publication numberOT-2026-000075165 · never reused
Internal UUID01a0ae93-f1ff-7546-97b4-1764a574bb58 · 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-2026-000075165
StatusPUBLIC

Content hashes

Canonical texta9f91b15421bfcd56c8ea9875d2ca6489097bda795f3987e417a8a324f627f6e
Markdown50b040e32ed77daf36367a395fd1059d08e2f819d84fa5336b0f102abbea014b
PDF
Publication pagee2abba707f6823b7b4a14d1039f5edc42bbb059d4681bb1f5895a9d5479312ca
Manifestcfbbf85e771a34d5fd34e424fd24cd5768dada0cbdc008bb5d013d11f7532346

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
Signature4CedfGLdndnu+f6oKPuk+bk5MKYHiHCZUtfvOmH9TUtW66RCPTQleNgJHK8pGHg3PevDVLRVf92Qy3QxiwXuCw==
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

2026-09-17T10:20:24.521725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075165
observed e2abba707f6823b7b4a14d1039f5edc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:24.501567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075165/manifest.json
observed cfbbf85e771a34d5fd34e424fd24cd57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:24.483200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075165/publication.md
observed 50b040e32ed77daf36367a395fd1059d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:24.464936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075165/publication.txt
observed a9f91b15421bfcd56c8ea9875d2ca648...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:31.473272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075165
observed e2abba707f6823b7b4a14d1039f5edc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:31.453797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075165/manifest.json
observed cfbbf85e771a34d5fd34e424fd24cd57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:31.314521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075165/publication.md
observed 50b040e32ed77daf36367a395fd1059d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:30.799300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075165/publication.txt
observed a9f91b15421bfcd56c8ea9875d2ca648...
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.