OpenTechnical

OT-2026-000101692

Publication integrity record

Three bellows cup vacuum gripper, three zone face, 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-2026-000101692) never changes.

Identity and time

Publication numberOT-2026-000101692 · never reused
Internal UUID01a0aea4-0e16-7b7a-a71f-0aa77d94cc0a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101692
StatusPUBLIC

Content hashes

Canonical text231a53c059617fb0f9642627fbc998906ceb33396aa101f63561f8f03408f4ef
Markdowna7fc03a34ff01771230345a8d3e2a21ae84eb8ad070572c7b36986e0c5dcc8dc
PDF
Publication pageed8c42cc0911a2df4eab2edcf25edb0b221df78258376709300282b2b7aa1774
Manifest703d5f92812a68db0984f7f7941dd91d2e0e92d25883f8be719671b949fb41e4

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
Signaturefe9U7XpgFJXWPQ/H9KwN7y/UCFo8vJ+PKfy8K0CBNhogXDF0c8MlVUaX8RqRDau3mvGyjHeEgvwPbxF2G6PKBQ==
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

2026-09-17T09:25:40.817695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101692
observed ed8c42cc0911a2df4eab2edcf25edb0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:40.799156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101692/manifest.json
observed 703d5f92812a68db0984f7f7941dd91d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:40.782344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101692/publication.md
observed a7fc03a34ff01771230345a8d3e2a21a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:40.764312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101692/publication.txt
observed 231a53c059617fb0f9642627fbc99890...
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.