OpenTechnical

OT-2026-000079441

Publication integrity record

Foam pad vacuum gripper, two zone face, three stage ejector, 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-2026-000079441) never changes.

Identity and time

Publication numberOT-2026-000079441 · never reused
Internal UUID01a0ae96-0b91-7956-8516-1a54f909274d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079441
StatusPUBLIC

Content hashes

Canonical text6d33a94f7c81b6712b04fdb0239625939feb4cc7fff7bd4c26eb719022556d99
Markdown0d29430d6eabe2cb7c246c7e877bda526ff72b36f2a2800dd1904d090ee8604c
PDF
Publication page267fb272fce77dc60180435b61595e54b847b3cb07903cd485b7d13b01a2d77e
Manifestfbc0c945c838b9867bd2e0908c906882ccca651202025b855c647ebc2d9b6dce

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
Signature0NW8YGbhsd0Lael32OUqK6dss1mngTQVeHGFx3KcdsjBGLrw0L/fDq8T/s/Nup0LzmjtdZyGYg3/QPhqC4a7CQ==
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

2026-09-17T10:05:03.970876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079441
observed 267fb272fce77dc60180435b61595e54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:03.954605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079441/manifest.json
observed fbc0c945c838b9867bd2e0908c906882...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:03.935049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079441/publication.md
observed 0d29430d6eabe2cb7c246c7e877bda52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:03.915994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079441/publication.txt
observed 6d33a94f7c81b6712b04fdb023962593...
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.