OpenTechnical

OT-2026-000085810

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, sustained blow-off before set-down

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-2026-000085810) never changes.

Identity and time

Publication numberOT-2026-000085810 · never reused
Internal UUID01a0ae99-e829-77f9-9ce0-ea38d0b5f437 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085810
StatusPUBLIC

Content hashes

Canonical textf8950170e3a4dcf5de1e630c908758df88a6b4e157d0fa8a8dd942db3cb41005
Markdown5384dbed5a75da1fd6773cdd0806d652c6a2d0747089b4892cb9f0b637e0d8ce
PDF
Publication page4b386c5447dcf513a9ff02294bca44b45ad01a84136db23373204df946fd553f
Manifest4f67ae667a8a01d3ae056ebe1fe537de53ff5370e7adf3dda4009a6a26984709

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
Signatureb7LT5hfZ2e8Q0r77CbIeZr9QyWYV8WUzzJI3aK//VI3GMyAS7J5ybgnPAN56u/4bNMaiCoj/mQh15CHkKXN8CA==
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

2026-09-17T09:52:43.729738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085810
observed 4b386c5447dcf513a9ff02294bca44b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:43.711054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085810/manifest.json
observed 4f67ae667a8a01d3ae056ebe1fe537de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:43.693799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085810/publication.md
observed 5384dbed5a75da1fd6773cdd0806d652...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:43.676075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085810/publication.txt
observed f8950170e3a4dcf5de1e630c908758df...
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.