OpenTechnical

OT-2026-000087560

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, supply line pressure sensor, 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-2026-000087560) never changes.

Identity and time

Publication numberOT-2026-000087560 · never reused
Internal UUID01a0ae9a-cd52-7db0-a426-2d62af6a6698 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087560
StatusPUBLIC

Content hashes

Canonical text687d46a3744f470d1c091ebe376dcfee7fb8886f621f0f9dc1dcd34e57d8677f
Markdownbc47a8b8cccebce24edb79b1ebb5b5ce58b045726ff4e4bcb23befa0ccce6d10
PDF
Publication page15d4bd78f265b4493a038d9693c4cb5ee9f2fc0ff1fd3ac035bbdc9a31ff995d
Manifestb4462e4210f029665b97d2d409c8c8689ab87e204eb6ff6101ec1a4e71b5826c

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
SignatureBijHCShs+wWhUtSd71KOjxR/XQfyWfu0zLCY/6dMY/1HlEqdySw9jcEBt7IepBPuLaKP8PXsE3oWp7UckC1EAg==
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

2026-09-17T09:50:54.256767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087560
observed 15d4bd78f265b4493a038d9693c4cb5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:54.239134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087560/manifest.json
observed b4462e4210f029665b97d2d409c8c868...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:54.222104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087560/publication.md
observed bc47a8b8cccebce24edb79b1ebb5b5ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:54.205515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087560/publication.txt
observed 687d46a3744f470d1c091ebe376dcfee...
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.