OpenTechnical

OT-2026-000090597

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, three 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-2026-000090597) never changes.

Identity and time

Publication numberOT-2026-000090597 · never reused
Internal UUID01a0ae9c-7f2f-7bb4-971c-83cbbc08a6ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090597
StatusPUBLIC

Content hashes

Canonical text9684b9386aa4757c7da4bfbeeead7804f0eee76b757f8711378926f605418244
Markdown4c0a2069ec4ae8b31bb1b6fa355415245c4f06c860a0346c223c3b044882e60b
PDF
Publication paged9eb4003673acb387a0befb909660ba350ed86e126d97e6ca0aed41c42b49f11
Manifest85cabc764b268c8548c78a8d0bfec3cbfbb43d68d0bfc3aee1d4a160ddf8f221

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
Signature5XPPNR6IFvzHtUT/p3NykR0JoOn3QhvbdDvXad8VBiYFs8WLR714Zqmqd8BuUdq7MiQYPHeQIJx2QvfJCeH1Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:44:46.891013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090597
observed d9eb4003673acb387a0befb909660ba3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:46.872942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090597/manifest.json
observed 85cabc764b268c8548c78a8d0bfec3cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:46.853811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090597/publication.md
observed 4c0a2069ec4ae8b31bb1b6fa35541524...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:46.835471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090597/publication.txt
observed 9684b9386aa4757c7da4bfbeeead7804...
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.