OpenTechnical

OT-2026-000061805

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three 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-2026-000061805) never changes.

Identity and time

Publication numberOT-2026-000061805 · never reused
Internal UUID01a0ae8b-b8ac-7e00-af71-7e5476b5913a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061805
StatusPUBLIC

Content hashes

Canonical text40aa0beda4711e6d60c9c96fb4921f2ff48580f8b2f4cbb1ebe8939f7f4e740f
Markdownfd8d2f9d7441f7f057a13f5234354ba6341854501b711fdf522356523701e5c6
PDF
Publication pagea2d2d068cfefb416ead0f7852db9b12e71f0e625a37d8589a8169cf5a3e63b53
Manifest7dab9087fa1c39b887eab137cd5016b207b638c2f718b611c0966837e13668ad

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
SignaturennBPjaCgAdgSGve8dY5H8Z6YnQDIoH9ezO0jZmaN4b5Trwtl2Fd4GP7RCA/YKBWp3DXoXm6ctoUWGxRq1kSCBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:31.888900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061805
observed a2d2d068cfefb416ead0f7852db9b12e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:31.864309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061805/manifest.json
observed 7dab9087fa1c39b887eab137cd5016b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:31.843696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061805/publication.md
observed fd8d2f9d7441f7f057a13f5234354ba6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:31.822791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061805/publication.txt
observed 40aa0beda4711e6d60c9c96fb4921f2f...
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.