OpenTechnical

OT-2026-000082319

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three 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-2026-000082319) never changes.

Identity and time

Publication numberOT-2026-000082319 · never reused
Internal UUID01a0ae97-4d95-7812-984a-9ff9663242b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082319
StatusPUBLIC

Content hashes

Canonical text41890f138436af1758e2df489e06a76fadb3cbcd5efb08c25314e8b2a44444f9
Markdown678f460e88c1a878ab3d86b2d6fdba157de8aa8750b5a70cb2a1ed2795ab5c2e
PDF
Publication page75b26b37c573401f378b80b1722017df5335c9976952b04a738aaac2babcf3dc
Manifest8d0ea532d3984172f722273cd1965fe8cec409a8073e6cc22412d38d09a34efd

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
SignatureLj1i5EItMIZNrIm20YPpxFpxi+U+yynP8v2hRMQscVIN1N0Wl/9NafdoKjmOBwaqGpdmaSNfCsxE3N8QjIf3DQ==
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

2026-09-17T09:59:11.102486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082319
observed 75b26b37c573401f378b80b1722017df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:11.085118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082319/manifest.json
observed 8d0ea532d3984172f722273cd1965fe8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:11.067880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082319/publication.md
observed 678f460e88c1a878ab3d86b2d6fdba15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:11.051837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082319/publication.txt
observed 41890f138436af1758e2df489e06a76f...
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.