OpenTechnical

OT-2026-000085454

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single 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-2026-000085454) never changes.

Identity and time

Publication numberOT-2026-000085454 · never reused
Internal UUID01a0ae99-aaab-7a1a-940b-6b9c10756506 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085454
StatusPUBLIC

Content hashes

Canonical text538413ace76bc0ee620e660d26fdf7d1d95fe34d435a4bfadd913886ae33cc37
Markdownd8f8f568630e8c75c476bcc4a7b23df32c8a9af686fc5d2a57296c0f30ae6eaa
PDF
Publication page69928afcd802326b60671e1b195d0e0ce9b9803edf3fd81b318461210f63c0e0
Manifestc1f592e8836a062d3a9eb5c48fcbbf3bddc1da7459b63564d587bc9dd01bd4e3

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
SignaturepHjaKyHS51rQ3/J05DgnItMdwlKOvfyVky8cJ1Qhh9EcfcoKE7JCN0NPrpfetjja6FdK6+bxJM8A5Kw+FNUtCg==
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

2026-09-17T09:54:14.646719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085454
observed 69928afcd802326b60671e1b195d0e0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:14.629244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085454/manifest.json
observed c1f592e8836a062d3a9eb5c48fcbbf3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:14.610712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085454/publication.md
observed d8f8f568630e8c75c476bcc4a7b23df3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:14.590737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085454/publication.txt
observed 538413ace76bc0ee620e660d26fdf7d1...
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.