OpenTechnical

OT-2026-000086189

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, 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-2026-000086189) never changes.

Identity and time

Publication numberOT-2026-000086189 · never reused
Internal UUID01a0ae99-e82c-7ce1-85a0-e578ad95b25e · 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-2026-000086189
StatusPUBLIC

Content hashes

Canonical textf2fdd3f74b544eb9b37ca79369cfeaf9f808802bd2a90b929a303a4964bad7ff
Markdownf86c7e40838997c30b7d29e067cf54d20cd5cc26a807f0e8a5bd4f32185f6cdf
PDF
Publication page73e72aa8d599b4f22280a206bbfdbfd65fad3de892487770f3930b24f530559e
Manifest49ea158e76bd4e7e12f2e5c9c3de64c9225c01ba827c3b24f400ccf5422ca598

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
SignatureL5RZelrUPiBLCF8+QzqIRbh0x978b7A63YmGRbKiSTksyQO26YHpkieQcBXnjvmEIMlQ1OP8CrPhnFGcQLILCA==
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

2026-09-17T09:53:52.050366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086189
observed 73e72aa8d599b4f22280a206bbfdbfd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:52.032613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086189/manifest.json
observed 49ea158e76bd4e7e12f2e5c9c3de64c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:52.015530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086189/publication.md
observed f86c7e40838997c30b7d29e067cf54d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:51.998124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086189/publication.txt
observed f2fdd3f74b544eb9b37ca79369cfeaf9...
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.