OpenTechnical

OT-2026-000027138

Publication integrity record

Foam pad vacuum gripper, two stage ejector, supply line pressure sensor, 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-2026-000027138) never changes.

Identity and time

Publication numberOT-2026-000027138 · never reused
Internal UUID01a0ae72-3454-765d-b7cc-bf31e5e9a5e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027138
StatusPUBLIC

Content hashes

Canonical text60d320b8ea9f260fcc04156eeef88af3d0906bb0faddf872a2df767218926524
Markdown07af3f0a15b29a90737758a892fc239fca481a90ca8602b0a9d6a0b5d5fa6519
PDF
Publication page1da041e5f09c499ccb31a40be8f8b3509967e1b51bce9be66dbc8b97970d2a22
Manifestb22cbd6bdd80ea876be665d4887890b3c02d465a20d33b88864fbbb558cec183

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
SignaturejfaiJK0P9BjjbCol7XnXgmxwedQ1RwpLc6oOu+HyHJyemUilj7zwwmkE808VR/521JPoeJaqXnn5NP4F2w+aDA==
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

2026-09-17T11:43:54.884285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027138
observed 1da041e5f09c499ccb31a40be8f8b350...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:54.866141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027138/manifest.json
observed b22cbd6bdd80ea876be665d4887890b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:54.850960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027138/publication.md
observed 07af3f0a15b29a90737758a892fc239f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:54.834585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027138/publication.txt
observed 60d320b8ea9f260fcc04156eeef88af3...
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.