OpenTechnical

OT-2026-000075990

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, vented 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-2026-000075990) never changes.

Identity and time

Publication numberOT-2026-000075990 · never reused
Internal UUID01a0ae94-2a00-77d7-a5f3-aaeba51d8b4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075990
StatusPUBLIC

Content hashes

Canonical text91830863304ec0bcb6feb9bec904257e247cbc72226e638a527aee724413707e
Markdownb4d1682989d3c5ffe73b2e96d1dbcfb2ecbb3bba39e954e1b3cc9db6611468cf
PDF
Publication page2bb3c6827ba5b6af75659951fc5e73396429dcd47adbba2b574a5f6d44fd4942
Manifestc6aa58a9aa00625ce708c6b9fd23b2f783b0e93990b1300e3d1df8c8ac0a1250

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
Signaturef1O316UJKhdcjn2eiL5pd8x4D52tjr8J8lbwXL2xu5lXEq6tm0u0nXqKdrpJUu8K25VH+pmLmw/vqMhUu2Y+Cw==
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

2026-09-17T10:20:14.229540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075990
observed 2bb3c6827ba5b6af75659951fc5e7339...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:14.210808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075990/manifest.json
observed c6aa58a9aa00625ce708c6b9fd23b2f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:14.191654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075990/publication.md
observed b4d1682989d3c5ffe73b2e96d1dbcfb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:14.170587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075990/publication.txt
observed 91830863304ec0bcb6feb9bec904257e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:03.483563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075990
observed 2bb3c6827ba5b6af75659951fc5e7339...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:03.465849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075990/manifest.json
observed c6aa58a9aa00625ce708c6b9fd23b2f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:03.446947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075990/publication.md
observed b4d1682989d3c5ffe73b2e96d1dbcfb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:03.306445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075990/publication.txt
observed 91830863304ec0bcb6feb9bec904257e...
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.