OpenTechnical

OT-2026-000087774

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, three stage ejector, supply line pressure sensor, sustained 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-2026-000087774) never changes.

Identity and time

Publication numberOT-2026-000087774 · never reused
Internal UUID01a0ae9b-1aa4-7bb6-9251-0e2bf9bb65c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087774
StatusPUBLIC

Content hashes

Canonical text7a627c2b278b454417b69d5e531dc510f13cf57880116b951b6ae82e4fa6b619
Markdown11bb7200c3f568dcbde3006a61444299671358e182ebeb6ea5f66bb2848ef47e
PDF
Publication page06089b54446a3538d9a5fb2dc7e668cdd16d2f556484094c322648667137cdc4
Manifest170cc713119b36f38f0c0fd9c614163d4478fb761985c7f104ee924b5762fcbb

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
Signaturei+d4FBBk6yXnQFeYPQ1T9AKw25muhAWzZu+b6ueu5q5gCt/mOxNAtYRND1xXtgy9pdagI511kXBB9+1dHAX4AQ==
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

2026-09-17T09:48:58.641656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087774
observed 06089b54446a3538d9a5fb2dc7e668cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:58.624837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087774/manifest.json
observed 170cc713119b36f38f0c0fd9c614163d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:58.607326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087774/publication.md
observed 11bb7200c3f568dcbde3006a61444299...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:58.589737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087774/publication.txt
observed 7a627c2b278b454417b69d5e531dc510...
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.