OpenTechnical

OT-2026-000083755

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, 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-2026-000083755) never changes.

Identity and time

Publication numberOT-2026-000083755 · never reused
Internal UUID01a0ae98-0417-7dfe-98af-96eecf09de4c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083755
StatusPUBLIC

Content hashes

Canonical textb527f34fd289ed06c1776b5e6dae8a2324acde3e3aaaa621893451b9fc19764b
Markdown27c8ffe4a27b14eacd1e597a3a0e003e97015ba77f1e277d0c552be12ea10d2d
PDF
Publication page7bcb11b3ee3b8e02dff4cf257f42305aa34806ed228ccf1e75eee0b400924c97
Manifest97d463755cf465e067077c6d4b1ebba0ffd9c2c01552ea5ae94797836ab385b3

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
SignatureeaUb8ykDilfhhKxIsKLfc0LCNeislTDBtx4FG9g02DvvG7jb3wc8bTMYr/UKcctHt4lDk+PgDAm3OPk2XCZuCA==
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

2026-09-17T09:57:23.641472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083755
observed 7bcb11b3ee3b8e02dff4cf257f42305a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:23.624466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083755/manifest.json
observed 97d463755cf465e067077c6d4b1ebba0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:23.607623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083755/publication.md
observed 27c8ffe4a27b14eacd1e597a3a0e003e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:23.590398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083755/publication.txt
observed b527f34fd289ed06c1776b5e6dae8a23...
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.