OpenTechnical

OT-2026-000095077

Publication integrity record

Three cup vacuum gripper, three zone face, two stage ejector, pressure sensor per zone, sustained blow-off before 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-2026-000095077) never changes.

Identity and time

Publication numberOT-2026-000095077 · never reused
Internal UUID01a0ae9f-2df0-7f81-a1d0-143824c1fc28 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095077
StatusPUBLIC

Content hashes

Canonical texte1d5423dc944f51026cfd97cfd0f7c65799b12cdbe83a779c5174321f5ccd729
Markdown35d118a3d1e803427f513c896b0ccfe22d641c67ad028fb47b66e2dc2b4019d4
PDF
Publication pagec92c88073a1d6df5a7385e87e3050f2f723f838a9e2314150f9cefa44c3f6615
Manifest64e9384376761677b2b996456c0044e5269928b5f506bc36137dc9b1c52f6a9c

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
SignatureO8kiCBJjBykbWGleEB9eQf32aXF4DF2v9xQi9rqqvGoJVkKQnHxmAG68jrLqSDw32m5VZ1bmFOeWmm8GtcPIBQ==
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

2026-09-17T09:37:39.009022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095077
observed c92c88073a1d6df5a7385e87e3050f2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:38.992218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095077/manifest.json
observed 64e9384376761677b2b996456c0044e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:38.973695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095077/publication.md
observed 35d118a3d1e803427f513c896b0ccfe2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:38.954985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095077/publication.txt
observed e1d5423dc944f51026cfd97cfd0f7c65...
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.