OpenTechnical

OT-2026-000064500

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, sustained 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-2026-000064500) never changes.

Identity and time

Publication numberOT-2026-000064500 · never reused
Internal UUID01a0ae8d-a461-7657-8e5e-0145d3f7e53d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064500
StatusPUBLIC

Content hashes

Canonical text3ad06dd04d4f496b1adb99d6c733fe25482e3d6b0fee252296f98eaa5c22d3f4
Markdownef8084c37566c7f7e133d406486193f965cfe5dbbb0f995401675b95682b4a8d
PDF
Publication page7be3027e8c26f3d79f2fc03783dd12bc904deb9b151175f5445252d5e8036979
Manifestaaa155349af0522e0e31f3facd9e32d01bb2330a0ef28e7b36e51b2013823f0f

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
Signature9NGPaRwKWG0TDvN+IrC1F8T3pVXj7ARSV3mdSa/UfOSVX+N3cQ1TPV3ZecNO/E+oOrovGfWDm9C/YEF34GKZAA==
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

2026-09-17T10:36:42.416951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064500
observed 7be3027e8c26f3d79f2fc03783dd12bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:42.394628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064500/manifest.json
observed aaa155349af0522e0e31f3facd9e32d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:42.372535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064500/publication.md
observed ef8084c37566c7f7e133d406486193f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:42.351701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064500/publication.txt
observed 3ad06dd04d4f496b1adb99d6c733fe25...
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.