OpenTechnical

OT-2026-000087753

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, two 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-2026-000087753) never changes.

Identity and time

Publication numberOT-2026-000087753 · never reused
Internal UUID01a0ae9b-1aa4-7d24-a051-2f76335926ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087753
StatusPUBLIC

Content hashes

Canonical text2eea0c0f57295cd005f6cc5d180b0c02558824e6f437efcb756a5e9c1ed3205e
Markdown03e14151a30abeeb46fd5f135ab12a07bc47f664d2c2b2233f0334674e226f81
PDF
Publication page800d13226667242dff985741fdf086471f3b5d289f28a127e8e07c4ba5e65a50
Manifestfe86733b7a5a6866be6d13bcdc94fc7cf08964e24ad9364721f409be7a6e2ba1

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
Signature8cVBa0U/WLC8aB4mQp0MWwIJqcVBQ8iJQd0ZsoSvuveHXqJqV5O/S16umGq8+jNVtnsozRymgc3fgI0mFljBBA==
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

2026-09-17T09:48:56.560943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087753
observed 800d13226667242dff985741fdf08647...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:56.540897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087753/manifest.json
observed fe86733b7a5a6866be6d13bcdc94fc7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:56.490917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087753/publication.md
observed 03e14151a30abeeb46fd5f135ab12a07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:56.440405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087753/publication.txt
observed 2eea0c0f57295cd005f6cc5d180b0c02...
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.