OpenTechnical

OT-2026-000099768

Publication integrity record

Foam pad vacuum gripper, three zone face, two 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-2026-000099768) never changes.

Identity and time

Publication numberOT-2026-000099768 · never reused
Internal UUID01a0aea2-c977-7a34-a85a-881ebad50bf5 · 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-2026-000099768
StatusPUBLIC

Content hashes

Canonical text5af5b0fbb0257ee8cc167f705b8146b75581da37707e9f45ffa9f0f4ae900f46
Markdowne66bc3c0ee36a91ba8c2f54dcb2e2f20640f9a350f01e24aacbe23efc40a9f7a
PDF
Publication page32fbe195790c08e46a7823ab343d6bb8f9663fc53203a21c929920009d1eaccb
Manifestd0282383ca1b776cf057498602521ff09a5bd9dd0718b94b01b38aaadb931769

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
Signaturew6KDeN2AoQgYJwIWRisbVmOqVljpI2M33FnOl8O524ZPU+4N5nrBE5Axbx3qYp76I7hsTgajJjYxiHOiSJhEDw==
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

2026-09-17T09:29:47.999483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099768
observed 32fbe195790c08e46a7823ab343d6bb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:47.983581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099768/manifest.json
observed d0282383ca1b776cf057498602521ff0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:47.966829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099768/publication.md
observed e66bc3c0ee36a91ba8c2f54dcb2e2f20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:47.950945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099768/publication.txt
observed 5af5b0fbb0257ee8cc167f705b8146b7...
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.