OpenTechnical

OT-2026-000083191

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, sustained blow-off before set-down

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-2026-000083191) never changes.

Identity and time

Publication numberOT-2026-000083191 · never reused
Internal UUID01a0ae97-c963-7c8c-a4fc-e9819449acec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083191
StatusPUBLIC

Content hashes

Canonical texte1a7cbf1e2db72351900b5019392b2d92561002a66a9bafef6e25179ab708713
Markdownc8ed41d81b4c80e480a395b6b85b6be5e1e13871eb4ad3fe9882999791204411
PDF
Publication page644cbfe018993adb1800b806ddb9857fbbb2b2934dab075a0ca7178ebcaa163c
Manifest2d9be8ec2ebcf463a98c19edc5f9d41ef8a9bd71a3bb22ac137fad6595ac4b67

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
SignaturewCs9MpVurU9p0TytdImVMxpFejS82X3D+crXE04W6BsuL+Rd8cMlt2evy71NJT/h84ndNIZ3WzXFhMYQPnwcAg==
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

2026-09-17T09:01:01.158969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083191
observed 644cbfe018993adb1800b806ddb9857f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:01.139091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083191/manifest.json
observed 2d9be8ec2ebcf463a98c19edc5f9d41e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:01.116014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083191/publication.md
observed c8ed41d81b4c80e480a395b6b85b6be5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:01.092331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083191/publication.txt
observed e1a7cbf1e2db72351900b5019392b2d9...
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.