OpenTechnical

OT-2026-000049215

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000049215) never changes.

Identity and time

Publication numberOT-2026-000049215 · never reused
Internal UUID01a0ae81-134f-75fe-8505-4b598e87bbf1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049215
StatusPUBLIC

Content hashes

Canonical textd7ddb818cc1c084244c86fe3edd18d1cb28d5c22c918fc3dfded89dc436ab8c8
Markdowne565ce300f5836dcda0095a7fee635fe2eeecf72eb10f8b0dbbbc33081c380fd
PDF
Publication pagedb0ec8f0f28d4703c81b85c10f70ebcb61615e89553a4aa7ca361155cfb64cd2
Manifestaa7501548d33edb432f984d980e92d4e82b40618fad600242a89133ea38dd22e

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
Signatureoba/TmOVxl7PTKr30JPJARhyrMsQjeNaejUyxxE8L9494UWf63e2c7PPnAdEric+e+00xlzjwPVxeoNtqtHwBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:04:01.975155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049215
observed db0ec8f0f28d4703c81b85c10f70ebcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:01.955543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049215/manifest.json
observed aa7501548d33edb432f984d980e92d4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:01.937432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049215/publication.md
observed e565ce300f5836dcda0095a7fee635fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:01.917471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049215/publication.txt
observed d7ddb818cc1c084244c86fe3edd18d1c...
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.