OpenTechnical

OT-2026-000067608

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000067608) never changes.

Identity and time

Publication numberOT-2026-000067608 · never reused
Internal UUID01a0ae8f-6bda-7eb1-97bc-578b5bff3cb7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067608
StatusPUBLIC

Content hashes

Canonical texte5b2d963a80f2526adf0c38faf4a638b5cf1221ffa5ced1d295b98e13d0062a6
Markdowndbeadf5a9da53a4c15d4c7d35d152861c07a740a6d3b32da8a2596931e5dbec6
PDF
Publication page81530c55b7e1f2f92410dbde361278e094e14a5dc43fbe3da2462d7fffad3561
Manifest12ef9e01bdb019cef020407ba7af7da3726988a4a1630206b6c6e8797bb2f3ae

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
SignatureJM3YIADCN/BIyqOmWbBfpkvnt5WpIhLusfvRp3QfqOyij1Jr+C8O9rxxCUSq5ruympUQ2uAp+r8l9MG+r5KiDw==
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

2026-09-17T10:31:55.629305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067608
observed 81530c55b7e1f2f92410dbde361278e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:55.610560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067608/manifest.json
observed 12ef9e01bdb019cef020407ba7af7da3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:55.592441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067608/publication.md
observed dbeadf5a9da53a4c15d4c7d35d152861...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:55.576104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067608/publication.txt
observed e5b2d963a80f2526adf0c38faf4a638b...
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.