OpenTechnical

OT-2026-000019203

Publication integrity record

Foam pad vacuum gripper, two zone face, two stage ejector, 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-2026-000019203) never changes.

Identity and time

Publication numberOT-2026-000019203 · never reused
Internal UUID01a0ae6e-f391-7397-a032-00262ac6cc45 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019203
StatusPUBLIC

Content hashes

Canonical texta06624bad3d8a2e72267dcea46c150b3f34c00cdb26b504d130bd7e8f3064dfe
Markdowne190ce0bfefbb033171969c2fbc4028284e5958dc2d4c8168a70745a082abf19
PDF
Publication pagebe34ce67b04bbfe1a0b403b043c0a5f1d28816bd4567021dbeae5133648ccee9
Manifest3ea9a9605e2120e0a6c38f4e977abc4bdb661b4a6751c4b9ab9c13c211c887e3

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
SignatureeTsdWiIOKHaZpD8iNdf3us16yvPHIhtGRlGlZj9dPyRUxBiXN4iz3kwcQPTSjaQFoD2AGzLqGi7BM/OBWbeVAg==
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

2026-09-17T11:58:31.421993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019203
observed be34ce67b04bbfe1a0b403b043c0a5f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:31.404797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019203/manifest.json
observed 3ea9a9605e2120e0a6c38f4e977abc4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:31.387536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019203/publication.md
observed e190ce0bfefbb033171969c2fbc40282...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:31.371808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019203/publication.txt
observed a06624bad3d8a2e72267dcea46c150b3...
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.