OpenTechnical

OT-2026-000075997

Publication integrity record

Foam pad vacuum gripper, three zone face, pump 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-2026-000075997) never changes.

Identity and time

Publication numberOT-2026-000075997 · never reused
Internal UUID01a0ae94-2a00-777a-8967-8b70611eafac · 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-2026-000075997
StatusPUBLIC

Content hashes

Canonical text187d2c40e9606d68290e5c5dae0445353d6d31862555ba381a8c360a220a3bb1
Markdown2885cab5adb50c457dfaa19a48fd910d8a12f0e7383e333f48ddd415f1ec32bf
PDF
Publication page871b643113937c39ed2dd1fbdb06641d4f9985bdc165ca7f8c8eb48e16712dd3
Manifest805c286d37da1430db129c5ca3c2aac0415e4062f8d297116b9530005113f511

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
Signaturem3hQX+UF91UK2e/KSrU9/irpzaPrYYNfJNfGTGTOL27kK0vun1w3YYEd7bFy+qg1m+5dvj8pzsy9//PAMmJWDw==
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

2026-09-17T10:20:14.822438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075997
observed 871b643113937c39ed2dd1fbdb06641d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:14.802710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075997/manifest.json
observed 805c286d37da1430db129c5ca3c2aac0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:14.781923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075997/publication.md
observed 2885cab5adb50c457dfaa19a48fd910d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:14.762992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075997/publication.txt
observed 187d2c40e9606d68290e5c5dae044535...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:04.945830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075997
observed 871b643113937c39ed2dd1fbdb06641d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:04.806729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075997/manifest.json
observed 805c286d37da1430db129c5ca3c2aac0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:04.787593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075997/publication.md
observed 2885cab5adb50c457dfaa19a48fd910d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:04.768760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075997/publication.txt
observed 187d2c40e9606d68290e5c5dae044535...
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.