OpenTechnical

OT-2026-000032261

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000032261) never changes.

Identity and time

Publication numberOT-2026-000032261 · never reused
Internal UUID01a0ae74-f7a8-72ad-915b-312f659fd0d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032261
StatusPUBLIC

Content hashes

Canonical textd6646171dff77bbbcc6dd6ebc0ba5c47b699e46b541040f50af2f4c6d9177f51
Markdown04f523ddd1c08adbdb436e45ad20f8a2a33ad990617461e5a8493f9f0285a747
PDF
Publication page0dc17b8f427a6f0d1e5c5176ceab570a9ff7396b6376ed1a42b3bc4f3ec79701
Manifest00a34a851b6a8b6805eeaaa976d5bd20c5dc877f14eea9f612f26170e7b2dcf5

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
Signaturezp6uJB4Cuvpn924+sI36iwQFilmi96V5S2AXu8TqUpMl4M1ph7pfxU4aVUksE2Cb5DeiOpL01l8fbVrbRSqJCg==
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

2026-09-17T11:34:37.285127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032261
observed 0dc17b8f427a6f0d1e5c5176ceab570a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:37.266562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032261/manifest.json
observed 00a34a851b6a8b6805eeaaa976d5bd20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:37.246851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032261/publication.md
observed 04f523ddd1c08adbdb436e45ad20f8a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:37.228931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032261/publication.txt
observed d6646171dff77bbbcc6dd6ebc0ba5c47...
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.