OpenTechnical

OT-2026-000085787

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000085787) never changes.

Identity and time

Publication numberOT-2026-000085787 · never reused
Internal UUID01a0ae99-e829-7ba7-9309-80d41764f2f6 · 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-2026-000085787
StatusPUBLIC

Content hashes

Canonical text36da158f326d14b4d23eb31d6ca5338cd96b745e7bf5070a70b28d01c40907cf
Markdownda8a0674a72aa2506f6af41d959660a8457662a871108fcf4903261c2da05725
PDF
Publication pagecc446c10c5ad42db95d8988941ba422485d0704a60bd4b78795f8a74558b39aa
Manifest83b3f137a6b7ff44f3ee8a6bfbc4935b6ca6236f7e3f8a97f6775880a45e2661

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
SignatureiXtTW/PbbxDmkXt/0A7y5t4AB7aSUisxENhJokUdH4ANhaD8m7rj1xsEmkdeDPNFvM9VPVSouY5sOZxqee1bBg==
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

2026-09-17T09:52:41.059720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085787
observed cc446c10c5ad42db95d8988941ba4224...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:41.042851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085787/manifest.json
observed 83b3f137a6b7ff44f3ee8a6bfbc4935b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:41.026410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085787/publication.md
observed da8a0674a72aa2506f6af41d959660a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:41.009140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085787/publication.txt
observed 36da158f326d14b4d23eb31d6ca5338c...
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.