OpenTechnical

OT-2026-000062385

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, vented after 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-2026-000062385) never changes.

Identity and time

Publication numberOT-2026-000062385 · never reused
Internal UUID01a0ae8c-0abf-7d5e-8ac4-03b03a99eb99 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062385
StatusPUBLIC

Content hashes

Canonical textc2ba4aa2249537671be4f790cea36833835c7cff12eb732b2ce00d2fd15698f0
Markdown4c859bd662ec933ee553964c2e719792fb45ca49172d7060d5fca01333cfb5f9
PDF
Publication pageed088d49db9597e7ef64df8843ad0641ccc8a6a3894a545409464510fb43fb40
Manifestd8816ecd65653649bf84b32d7e50b49bc49f0319ed5047f62738c9ebe438e447

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
SignatureFFAGfTJQ53OGP5lAyVxYad7QBQHSCwOAFkABGnk3kQ3yyiZD8oMECE+0HB9i7vd6rcG6CEAzTGO8i+JyL0NtAA==
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

2026-09-17T10:39:42.398708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062385
observed ed088d49db9597e7ef64df8843ad0641...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:42.380452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062385/manifest.json
observed d8816ecd65653649bf84b32d7e50b49b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:42.364162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062385/publication.md
observed 4c859bd662ec933ee553964c2e719792...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:42.347725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062385/publication.txt
observed c2ba4aa2249537671be4f790cea36833...
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.