OpenTechnical

OT-2026-000078906

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000078906) never changes.

Identity and time

Publication numberOT-2026-000078906 · never reused
Internal UUID01a0ae95-ccbd-7f19-9403-286f8f2ae7be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078906
StatusPUBLIC

Content hashes

Canonical textcbf4f7d0db81816f305f00bbdc70788c04bae33bf8414fe5e25df3fda14c10cc
Markdownc117dcaf90f3b7c703d44601748854fe40a491bae77db4bf0a600c16c4a24e5a
PDF
Publication pagea5052317a31ceaeecb0af85ada439338942c69b624a43da341d4216ef494548b
Manifestd47595576dedd9fcb4ba7b30ae469fdef3bc8b169342ebe81cf340e5050e6761

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
SignatureH1HXfyKgRLrus350GpaTQQrlvYsBiwROnxThb6NIS36+sJKs/ei/Xd5pxOsqQEFtF8TLlJhxkIuZxA9qU8ocAg==
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

2026-09-17T10:05:43.163917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078906
observed a5052317a31ceaeecb0af85ada439338...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:43.146566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078906/manifest.json
observed d47595576dedd9fcb4ba7b30ae469fde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:43.125715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078906/publication.md
observed c117dcaf90f3b7c703d44601748854fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:43.108376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078906/publication.txt
observed cbf4f7d0db81816f305f00bbdc70788c...
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.