OpenTechnical

OT-2026-000099643

Publication integrity record

Foam pad vacuum gripper, two zone face, single stage ejector, pressure sensor per zone, 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-2026-000099643) never changes.

Identity and time

Publication numberOT-2026-000099643 · never reused
Internal UUID01a0aea2-c976-7874-8eea-4bf9030d8dd7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099643
StatusPUBLIC

Content hashes

Canonical text1e165c95f651256eecde7ae7acb80b8959bb9aca4b9829688e34ad7855f179ca
Markdown1d83dc8097fccdba9376a2932f9454086a6248707e15e890b9fb3d2b1fd7dffa
PDF
Publication page7f35ae35ab3cac15ed5a8b6583bb1026d0e3c9c14b879b995ec18d2c59ac427d
Manifest75cf7b2814f1d6f61d93c108448c2522ae23e213a610c8c1f12d9a916e2bdb14

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
Signature7YfB5cULFyk5eNl/tpieyFqXRzMbNiRCTzmUcb5AYpL+qYUkQQjsVto2oHitLI0KeaXvKmPq9cc22U3Mf+AwCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:34.914792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099643
observed 7f35ae35ab3cac15ed5a8b6583bb1026...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:34.896182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099643/manifest.json
observed 75cf7b2814f1d6f61d93c108448c2522...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:34.879159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099643/publication.md
observed 1d83dc8097fccdba9376a2932f945408...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:34.861450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099643/publication.txt
observed 1e165c95f651256eecde7ae7acb80b89...
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.