OpenTechnical

OT-2026-000102849

Publication integrity record

Two cup vacuum gripper, two zone face, four 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-2026-000102849) never changes.

Identity and time

Publication numberOT-2026-000102849 · never reused
Internal UUID01a0aea4-be3b-7301-a5ff-bd3fd6b317c1 · 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-2026-000102849
StatusPUBLIC

Content hashes

Canonical textf39801d2090d5497a5deefbfeec22a3a52107ade20e47321b9cf03b4c7f687e8
Markdownb4d661f409a84cd549af7c1b71bd207c481321d3659e6a7d5c10748db97e2b70
PDF
Publication page67ce180e1147944b32fa9acc7af26eada727819491acad248025373f43e3a13c
Manifest2bb0f484e2baf0c4546fe966712b86abcf016fa6c7a384e29cb74112ecf0cc96

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
Signatureqt2+JUjWqFzsKYls441CSxPJ3gxjtRKEhOg51WbQxCBbzfEFfFMBRXeeLROgimuv0FUbJjuMF66Zgz7o/xqFDA==
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

2026-09-17T09:22:51.372701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102849
observed 67ce180e1147944b32fa9acc7af26ead...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:51.355857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102849/manifest.json
observed 2bb0f484e2baf0c4546fe966712b86ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:51.339521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102849/publication.md
observed b4d661f409a84cd549af7c1b71bd207c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:51.322314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102849/publication.txt
observed f39801d2090d5497a5deefbfeec22a3a...
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.