OpenTechnical

OT-2026-000102160

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pulsed blow-off after 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-2026-000102160) never changes.

Identity and time

Publication numberOT-2026-000102160 · never reused
Internal UUID01a0aea4-50f2-7129-b482-e84670b8d159 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102160
StatusPUBLIC

Content hashes

Canonical textdc7d8ad87aa9784d341915864962bf673002b1e99edf0b82ead02e5d49b19e20
Markdown9e23aaeddbc368b67e14230a9f6a6886aa92d596249299ec834bf8c3ea4453b3
PDF
Publication page60644a07bc2e905d0cbae58fd955c49b50c55df970890680065e10dbbdce8419
Manifesta4029a0b8716bfb531f225f6f1c42f27fb753a50205cfe835493f1c9b922f6a3

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
Signature/EPJasWx/skdS9F2H3aRo/6bKpz84zDXRk+VTr2yUSohfINwgKoM96qMX7dRO/KyMqaUZP6frxEun35Ep3agAw==
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

2026-09-17T09:25:19.699837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102160
observed 60644a07bc2e905d0cbae58fd955c49b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:19.682068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102160/manifest.json
observed a4029a0b8716bfb531f225f6f1c42f27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:19.665190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102160/publication.md
observed 9e23aaeddbc368b67e14230a9f6a6886...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:19.643992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102160/publication.txt
observed dc7d8ad87aa9784d341915864962bf67...
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.