OpenTechnical

OT-2026-000095321

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, plant vacuum fed, 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-2026-000095321) never changes.

Identity and time

Publication numberOT-2026-000095321 · never reused
Internal UUID01a0ae9f-8f71-7b3d-808a-7b2a74c75259 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095321
StatusPUBLIC

Content hashes

Canonical textb92911e5026b411d1a6a27a9c0211345524b4a815c52e8763013b8fd86f0b1d8
Markdownada23c2a8c213f30c52a1626bfa04b802a06cda9399cbcd27d355730428f294c
PDF
Publication pagedfb1ff2d225666ac91cb9e19056c5e7925a612bec48e941056d80e87cbab1eaa
Manifest7d4ccf09762b579828a3a4eda309f227c525385aeb92432e508a4293b99ac7ce

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
Signature3PjOUL0hvSaWz8o3f5KROQ8McDnRBD5ks/hT1Ek7kYgceIkvixpwUTmVwqH3KOn2K0h8y1VaN4SX4IyS42K8Cg==
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

2026-09-17T09:36:39.424323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095321
observed dfb1ff2d225666ac91cb9e19056c5e79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:39.407073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095321/manifest.json
observed 7d4ccf09762b579828a3a4eda309f227...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:39.388934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095321/publication.md
observed ada23c2a8c213f30c52a1626bfa04b80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:39.339510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095321/publication.txt
observed b92911e5026b411d1a6a27a9c0211345...
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.