OpenTechnical

OT-2026-000077794

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, vented after 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-2026-000077794) never changes.

Identity and time

Publication numberOT-2026-000077794 · never reused
Internal UUID01a0ae95-2ed0-797e-9bf5-d680495f9f71 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077794
StatusPUBLIC

Content hashes

Canonical text065f8626d3ae94079dacdb3c65b5c7978a9033bf46e09669edc444aaa0a7744f
Markdown383a3568e034218c26725cb1363a1a3162d3bd6ddb728b699dc9a8691e0a2945
PDF
Publication paged091f53178bd058711916f57847798ce111415caff1afa50351c7f74ba3b63c1
Manifestba0ceedbda498a567dcee681a9d58043a631ef4668c452219302138d9961626c

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
SignatureSwTbI7o73QIXS6DitbFWtco1fx5gJQl92cDbIm/TH7CdlhtgnYULAGv+EM7TsbFHFxvvZ4Ya6N9TyWuBdKxdCg==
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

2026-09-17T10:06:57.261015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077794
observed d091f53178bd058711916f57847798ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:57.242750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077794/manifest.json
observed ba0ceedbda498a567dcee681a9d58043...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:57.223745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077794/publication.md
observed 383a3568e034218c26725cb1363a1a31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:57.204060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077794/publication.txt
observed 065f8626d3ae94079dacdb3c65b5c797...
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.