OpenTechnical

OT-2026-000037685

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000037685) never changes.

Identity and time

Publication numberOT-2026-000037685 · never reused
Internal UUID01a0ae77-b8cf-7351-b857-c8368e06c61b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037685
StatusPUBLIC

Content hashes

Canonical text1f535cab0dddd747d30a7cf28a92a92f5c55dd8cd0ee1e883bdef4fdbb3ac24d
Markdown76c617e44381b2cf6d6580cacbd0ef65bc0344cb9bc77ea4ba8a2e8dc04928aa
PDF
Publication page14a6419f7b5d259e5863edcd59307c11c89820b7a8fb82f0d84ff27e42f1da6f
Manifestc07af25472de9a052f9bdebca20c040d594d152cc6d16a31865e4894d96623a0

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
Signature9ddq+/cvtClNMmXVNDiuAfuRqDp8CrzTigukTkJt2Q/XYUfV5aKeJjt34DxsKOQgT6SjT1SPNlffjpYQnxhfDA==
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

2026-09-17T11:24:16.192171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037685
observed 14a6419f7b5d259e5863edcd59307c11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:16.171879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037685/manifest.json
observed c07af25472de9a052f9bdebca20c040d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:16.151575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037685/publication.md
observed 76c617e44381b2cf6d6580cacbd0ef65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:16.133956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037685/publication.txt
observed 1f535cab0dddd747d30a7cf28a92a92f...
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.