OpenTechnical

OT-2026-000085590

Publication integrity record

Foam pad vacuum gripper, two zone face, two stage ejector, 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-2026-000085590) never changes.

Identity and time

Publication numberOT-2026-000085590 · never reused
Internal UUID01a0ae99-aaac-7f25-8273-6229c61e5bfe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085590
StatusPUBLIC

Content hashes

Canonical text4653e159a43c19d0f1359148b9bc5c9040f8cc5163d7a2ddb488cea4816204d8
Markdown6340b0e9bea57853356735be25f645e317fe4c75a756c710bd936993bb301930
PDF
Publication page4feea67608b5e4090916cac12c2da49bc8ae469e72ee2db6f3bf5071778901e3
Manifest49af8cd8277af9f180b140b5a32da49189303c3b6b08740613329e537b781a15

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
SignatureyE8FTKjaHGlhbNe+IH1kBd45qtrbdJ0l+6vq6ClDeVb/6hBc6Fa9EYmjhMoBJJqJj4CDjNDo+KHMTyg8x2kmCg==
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

2026-09-17T09:54:27.829757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085590
observed 4feea67608b5e4090916cac12c2da49b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:27.806394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085590/manifest.json
observed 49af8cd8277af9f180b140b5a32da491...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:27.787559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085590/publication.md
observed 6340b0e9bea57853356735be25f645e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:27.767357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085590/publication.txt
observed 4653e159a43c19d0f1359148b9bc5c90...
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.