OpenTechnical

OT-2026-000045308

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, pulsed blow-off 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-2026-000045308) never changes.

Identity and time

Publication numberOT-2026-000045308 · never reused
Internal UUID01a0ae7c-f76b-7621-82dd-96b032baa170 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045308
StatusPUBLIC

Content hashes

Canonical text4d41cc349cbda633a7927d2106d41a91eb9473430280110dfcbf6016a62d4a2c
Markdowndf8efb22d9ff81d179a7d00b318908a4d85c99732f8c410d11fff58fdd3802db
PDF
Publication pagecf08838dc5d1c472dd87a0ab801baeea76047a148f6e34614f837eb600a3ae35
Manifestf647aeebbbcd9ea902cfab846b5d7fda0cfa9f97258ae3f53ef00a27bd26d7d0

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
SignatureDmJGfGoufnf15JZJiMYQ5gX9nSDUTKfFdc942KO9t7znDQ4Usog9lOdBqrBy6jS16Q6NrVyutq7/6PKNSS/fBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:10:33.334312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045308
observed cf08838dc5d1c472dd87a0ab801baeea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:33.315786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045308/manifest.json
observed f647aeebbbcd9ea902cfab846b5d7fda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:33.296286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045308/publication.md
observed df8efb22d9ff81d179a7d00b318908a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:33.276812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045308/publication.txt
observed 4d41cc349cbda633a7927d2106d41a91...
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.