OpenTechnical

OT-2026-000069227

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000069227) never changes.

Identity and time

Publication numberOT-2026-000069227 · never reused
Internal UUID01a0ae90-b528-7166-b682-b2713363d67b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069227
StatusPUBLIC

Content hashes

Canonical text0bab81c6c2efa8b224f7961ba309f6750be329cbc15463ed4508362b56a8629c
Markdown2ff2c218b7d3726d3e80788dda3625dbb552131cd72fc900990b7990b6bc9028
PDF
Publication page637610e55fcefd021dc39f1e91fde0293c4502ff2003a9e97c7f9383dff3f209
Manifest9277f3bda8665d357796c9ac6a28bd40529b8946a7bbebbfa51e5931973f4adf

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
SignaturebRoY1ifEnI2RoXr2Levv67nctbIWXmogrgJpbMaTmKss4FestpJf3VbwJNTvymJglJy3X2oznE8A0+MNyC/YAQ==
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

2026-09-17T10:27:17.653210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069227
observed 637610e55fcefd021dc39f1e91fde029...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:17.635040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069227/manifest.json
observed 9277f3bda8665d357796c9ac6a28bd40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:17.616525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069227/publication.md
observed 2ff2c218b7d3726d3e80788dda3625db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:17.598362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069227/publication.txt
observed 0bab81c6c2efa8b224f7961ba309f675...
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.