OpenTechnical

OT-2026-000083869

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, pump fed, 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-2026-000083869) never changes.

Identity and time

Publication numberOT-2026-000083869 · never reused
Internal UUID01a0ae98-0418-7c3e-a2a6-34342286cd53 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083869
StatusPUBLIC

Content hashes

Canonical textddecb787e610815c99813333e4fab1dd8beec9bcba82ecd4af8b5567be179edd
Markdown6c0e56754ccc193869c45af30ca1661d483787d9b0d61445973a2e3e4cea1935
PDF
Publication pageae8794ff42bdd2e103a986470b515ba0e841a8e068a5f3c0600e61bcdce519b1
Manifestb7cf9408362b0d402c00bbd3a6d4ca4142a2cce77f4024ec5ac1e0cd26c6b202

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
SignatureQajYwsMdewOLw04PYc2lgoYQBTbTB/2kdy49y52G4f8SdFUXI0eXBJ0uVvBA74Ii1XR0F3eAmtYkwAnqaExpCA==
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

2026-09-17T10:00:10.862403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083869
observed ae8794ff42bdd2e103a986470b515ba0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:10.835434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083869/manifest.json
observed b7cf9408362b0d402c00bbd3a6d4ca41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:10.809980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083869/publication.md
observed 6c0e56754ccc193869c45af30ca1661d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:10.788590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083869/publication.txt
observed ddecb787e610815c99813333e4fab1dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:31.898001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083869
observed ae8794ff42bdd2e103a986470b515ba0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:31.882049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083869/manifest.json
observed b7cf9408362b0d402c00bbd3a6d4ca41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:31.867065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083869/publication.md
observed 6c0e56754ccc193869c45af30ca1661d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:31.849724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083869/publication.txt
observed ddecb787e610815c99813333e4fab1dd...
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.