OpenTechnical

OT-2026-000068510

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, 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-2026-000068510) never changes.

Identity and time

Publication numberOT-2026-000068510 · never reused
Internal UUID01a0ae90-2481-791a-be57-ca2607ae538f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068510
StatusPUBLIC

Content hashes

Canonical textf3843689ad601c245fb4270e2dbf84d5c0501777af552437d35d2ccd4dd6794c
Markdowna364db7191bca02366617dc8393324104afcffca6f2508e893681d539c8193f8
PDF
Publication pagebb0b874dc16a8dd7c98c49ac1be43f8c2df7115f68cde8defbc1894b396e26b7
Manifest8bfa20a6574d05e317292cd89abed99f20c0c6a767a8af8dec12eefed290f32d

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
SignatureaxhNyN/KJKTtvxf/Cwo1C2gLjNn6UMU8+cry6RDtR1E7yzApPplXpqtB5yQoStDhMbcYkUu/h0G+XnYbMBswDg==
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

2026-09-17T10:29:40.123257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068510
observed bb0b874dc16a8dd7c98c49ac1be43f8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:40.106575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068510/manifest.json
observed 8bfa20a6574d05e317292cd89abed99f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:40.086514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068510/publication.md
observed a364db7191bca02366617dc839332410...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:40.069255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068510/publication.txt
observed f3843689ad601c245fb4270e2dbf84d5...
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.