OpenTechnical

OT-2026-000085994

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, 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-2026-000085994) never changes.

Identity and time

Publication numberOT-2026-000085994 · never reused
Internal UUID01a0ae99-e82a-7c49-85f4-3291f461c847 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085994
StatusPUBLIC

Content hashes

Canonical text27c66b882b91d0e439866de8450e2da1d27807d491ecb0ce9306bc84fd237742
Markdown55ee82202b6853817f1153b745c1cbed316f8602f2f983235b178e853caa464c
PDF
Publication page71875a0d323cf73ef8cea7033215fc9bd94440882e57c6284674a6fef8435728
Manifestbe14168cc17b028b26042e259b99677018b802e3864a1341110be865746979b8

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
SignatureTI7VcL2ni9RHSFTfNUG+a9HoiKBkXor41Eb4xIu1/VWVLKvpvRtW7mZEvT3RjRAJSIK/jaV7n+qLUBkV4dFaBw==
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

2026-09-17T09:52:58.562129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085994
observed 71875a0d323cf73ef8cea7033215fc9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:58.543157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085994/manifest.json
observed be14168cc17b028b26042e259b996770...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:58.524625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085994/publication.md
observed 55ee82202b6853817f1153b745c1cbed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:58.506561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085994/publication.txt
observed 27c66b882b91d0e439866de8450e2da1...
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.