OpenTechnical

OT-2026-000060306

Publication integrity record

Foam pad vacuum gripper, 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-2026-000060306) never changes.

Identity and time

Publication numberOT-2026-000060306 · never reused
Internal UUID01a0ae8a-5a74-79e1-89e7-2b27f8df97e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060306
StatusPUBLIC

Content hashes

Canonical textb8c9517c50e48bd693753f425e3517c0319f9e9dd553c7013a475fac7c3b6353
Markdown28442231f65f857fca0b545d488f6d947504b9d532d47abb9e45b436861cb0a6
PDF
Publication page7281eb1deb34a3066bf4969efe8dc34e81371da6a2a0070ab7152efdc8de500a
Manifest8020bf5989fd940551430382d639dc62dbce4ebbe793c914425cbc0158c63f5b

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
SignatureJ6uin/tnnyaLZvUDBNQWjdr/C7kLzvW6+xxQimyaQL6RlC3M8sjtQvyqPMs6wY+u0bGsGEl+K1kas4H36XC6BA==
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

2026-09-17T10:44:00.832054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060306
observed 7281eb1deb34a3066bf4969efe8dc34e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:00.814279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060306/manifest.json
observed 8020bf5989fd940551430382d639dc62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:00.796691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060306/publication.md
observed 28442231f65f857fca0b545d488f6d94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:00.781227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060306/publication.txt
observed b8c9517c50e48bd693753f425e3517c0...
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.