OpenTechnical

OT-2026-000085806

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000085806) never changes.

Identity and time

Publication numberOT-2026-000085806 · never reused
Internal UUID01a0ae99-e829-7e0a-ad5e-e2fe8f707de7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085806
StatusPUBLIC

Content hashes

Canonical text9d87c5770f45bc6cc9459930d48daf9fadd4a401c1b7476ff39625a2debbb159
Markdownf2fd8891bdfe56dd7b26daf033e4084be41571ee68a13d682c4061f1aef9b560
PDF
Publication pagea5fb6e4fbe916f9935905f59c36a21f172a88fa9303fe2d7e8fa93a7964ffc08
Manifestcc31c3ea275105d016e46e311dc0e78474ed4c7b857abb6242039c8e1d179bda

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
SignatureXZOHLiceeovYTcWjozSw8/ekIWru53b7wpL362bWpN21bLXFkHmwXs8tatC0lR9dZpSgfoH5fJhPIYDdnbrACg==
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

2026-09-17T09:52:43.442829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085806
observed a5fb6e4fbe916f9935905f59c36a21f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:43.426020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085806/manifest.json
observed cc31c3ea275105d016e46e311dc0e784...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:43.408278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085806/publication.md
observed f2fd8891bdfe56dd7b26daf033e4084b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:43.391966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085806/publication.txt
observed 9d87c5770f45bc6cc9459930d48daf9f...
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.