OpenTechnical

OT-2026-000094978

Publication integrity record

Two bellows cup vacuum gripper, two zone face, 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-2026-000094978) never changes.

Identity and time

Publication numberOT-2026-000094978 · never reused
Internal UUID01a0ae9f-2df0-7933-8271-ebacc03f4bdb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000094978
StatusPUBLIC

Content hashes

Canonical text0bc4fdf46d00e0d13b17acbe0d79b5bc21a90c497e6b629a58001b4d100fd299
Markdown8152588a10e92347e7c3b81ae8aef0103ad28e3116620ef945a87ab6943b10fc
PDF
Publication pageaaa04da42bba499e53efe2d3d8b2695a07646e56d2bed7d27675ef74e00182d1
Manifest10f389caa78ce40bb95115e76fd531a00638191e2a9c732771a12430a78a4a40

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
SignatureN5CA2nbel6lfbRmEFRXLzcohDJa9n+3irfruc7EU5fw2697dQ2QPGKRmGKFo95UFphWnrabcG/2tiQpOJ/e/Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:37:31.604651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094978
observed aaa04da42bba499e53efe2d3d8b2695a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:31.586204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094978/manifest.json
observed 10f389caa78ce40bb95115e76fd531a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:31.564183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094978/publication.md
observed 8152588a10e92347e7c3b81ae8aef010...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:31.544033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094978/publication.txt
observed 0bc4fdf46d00e0d13b17acbe0d79b5bc...
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.