OpenTechnical

OT-2026-000086091

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, two 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-2026-000086091) never changes.

Identity and time

Publication numberOT-2026-000086091 · never reused
Internal UUID01a0ae99-e82b-7e25-9478-e3959d643414 · 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-2026-000086091
StatusPUBLIC

Content hashes

Canonical textbe96293e630a3e362245c9af37751fbe7aaf7a225dabae7fdefa823693d1fe47
Markdown1893d464e1b5415dc28c6c181675097725d19d7c989b79db9a478a61e7bd817e
PDF
Publication pagea5251e8d2fe593a40ba28a5bececf3bd5866a97d4a087980544be0eaed7c4c01
Manifestba989b8554ef43b2b381ff46b035b324db63e3d1c12c26adea04773b2e298cc6

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
SignatureDL+o8JlmX6j8fRg7Ij7BJ/eO2kj1ioF+6rXbbPhSqBJRbDbLwt4jrAMbvYVSncRArjeJT2+Iqi9QxQ+U1hxtCQ==
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

2026-09-17T09:53:44.274606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086091
observed a5251e8d2fe593a40ba28a5bececf3bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:44.254083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086091/manifest.json
observed ba989b8554ef43b2b381ff46b035b324...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:44.235614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086091/publication.md
observed 1893d464e1b5415dc28c6c1816750977...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:44.214599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086091/publication.txt
observed be96293e630a3e362245c9af37751fbe...
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.