OpenTechnical

OT-2026-000103254

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, 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-2026-000103254) never changes.

Identity and time

Publication numberOT-2026-000103254 · never reused
Internal UUID01a0aea4-be3f-7709-9f1f-47c068f2112b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103254
StatusPUBLIC

Content hashes

Canonical text2f0830dfa0510e103833455ef72e9bf95f0356ab1baefb31bc4f7a52da5e6cc5
Markdown0ccb454c86ca55fa865ec75799909596a8c7a6ba18cdfd643a84a7f0ace429cf
PDF
Publication page6d493ace723408df7ea4a0a7ba7ed58dc1cdb4eb1059d657537b4ba3b8c24188
Manifest73ceaecafb1886c5054a4a9e18cc8f77152272371976b0e49b590b579a9b3bb8

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
SignatureCLw8SQMkdZv+h+b40p6gh9S8al7N7P+lwediRNstq0nQfk+6sYCUZoSHNzytbhQg/S6LebPYp5uPan1BS4gUDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:29.367330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103254
observed 6d493ace723408df7ea4a0a7ba7ed58d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:29.349176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103254/manifest.json
observed 73ceaecafb1886c5054a4a9e18cc8f77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:29.332415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103254/publication.md
observed 0ccb454c86ca55fa865ec75799909596...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:29.313823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103254/publication.txt
observed 2f0830dfa0510e103833455ef72e9bf9...
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.