OpenTechnical

OT-2026-000085765

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single 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-2026-000085765) never changes.

Identity and time

Publication numberOT-2026-000085765 · never reused
Internal UUID01a0ae99-e829-72e8-84e3-d5832732b635 · 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-2026-000085765
StatusPUBLIC

Content hashes

Canonical text63598bcbd7611b812edae6399bd5fd63e553ccff2107c66687ec73b16deedde7
Markdown4b5d97050eaee1a408ea0f210c56d19d3a73a82bae6f423baa4c6f48bc7d97e2
PDF
Publication pagef00245181b29e8dc6cb119d4ff96731b69df2f94bdb9bfe7d7decf4e9c4e0bc6
Manifestc85a5a8fe5feb246b843c497e4eec20329698af35d86c5c80ebd163b9e42cb30

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
SignaturedzODMja5rWVGNIc6/+iLdl87RRpKYMWU1uCiCO28Q/nwV366qds4s1XJYYRzS+KmDdhuBTbRmOJTdRpybkhgDQ==
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

2026-09-17T09:52:39.387030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085765
observed f00245181b29e8dc6cb119d4ff96731b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:39.370067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085765/manifest.json
observed c85a5a8fe5feb246b843c497e4eec203...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:39.351355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085765/publication.md
observed 4b5d97050eaee1a408ea0f210c56d19d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:39.333272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085765/publication.txt
observed 63598bcbd7611b812edae6399bd5fd63...
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.