OpenTechnical

OT-2026-000079048

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, vented after 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-2026-000079048) never changes.

Identity and time

Publication numberOT-2026-000079048 · never reused
Internal UUID01a0ae95-ccbf-7f7f-bd74-7b81af55a03e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079048
StatusPUBLIC

Content hashes

Canonical texta689c7d73e15f0b8bfd9588818f8a61d088c8215f93e77c1c005cc6ab13ef623
Markdown6991902d995082e70880d9812053c2e9d7deb0c4189fa943867f15f4a55ca7af
PDF
Publication paged1627cb4ab07b52b331a2974afe5e5c77d62d7e29a436a8eacc54e2dfd278d44
Manifest3b405f3a2ef9b61196833508ebfd4c317b5411d51e4087f0a5b18563c34785c9

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
SignatureVtl/+g+7gIdemTGqHh3JwdgzlypICfOEJ+ILfcqUNlT6yUq14qTv+nUzLfQ6vAhB3yYh8xW05JMPwvU1OeS3AQ==
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

2026-09-17T10:05:53.381891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079048
observed d1627cb4ab07b52b331a2974afe5e5c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:53.362603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079048/manifest.json
observed 3b405f3a2ef9b61196833508ebfd4c31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:53.341554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079048/publication.md
observed 6991902d995082e70880d9812053c2e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:53.324317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079048/publication.txt
observed a689c7d73e15f0b8bfd9588818f8a61d...
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.