OpenTechnical

OT-2026-000070451

Publication integrity record

Four cup vacuum gripper, four zone face, two stage ejector, supply line pressure sensor, pulsed 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-2026-000070451) never changes.

Identity and time

Publication numberOT-2026-000070451 · never reused
Internal UUID01a0ae91-545f-757f-8c2d-4508aab3572d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070451
StatusPUBLIC

Content hashes

Canonical textd001ab1ed58b12f20acab8b9f49cc4715d6a5b5802f5a6010fe8a06d25f17948
Markdown2d31061dc3230d1bdb7f30c73a6a1e4e94eddbf480ac43ef7eac9eab061ea7c4
PDF
Publication pagec076042f641ef6c99438c029fd7ff2801e2fd0d010afc52668644c09389543af
Manifest0c39b3617584f6ddf7cb1d7a1c98da5c5fc4adf2d0e7e77d1ac73ef25df4dc1f

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
SignaturelfKbFlQ9oB2/MJi/Bs0u523bZBgNnJ7K8iT5f4gnJQkKf0d+V7ktTgblr0SUH+ggdv+z9AaC/tNMMqkAAI8bDg==
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

2026-09-17T10:26:16.494294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070451
observed c076042f641ef6c99438c029fd7ff280...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:16.475852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070451/manifest.json
observed 0c39b3617584f6ddf7cb1d7a1c98da5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:16.457826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070451/publication.md
observed 2d31061dc3230d1bdb7f30c73a6a1e4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:16.437641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070451/publication.txt
observed d001ab1ed58b12f20acab8b9f49cc471...
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.