OpenTechnical

OT-2026-000102178

Publication integrity record

Two 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-2026-000102178) never changes.

Identity and time

Publication numberOT-2026-000102178 · never reused
Internal UUID01a0aea4-50f3-7696-9c71-09e4cd7d55da · 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-2026-000102178
StatusPUBLIC

Content hashes

Canonical textf90d8aed0b4f8a64eb49c566ee4bf64c496944fec947b6cae3f5ec12b872a7da
Markdown47af1d9185d68b194c4d0ec5071e14a2aef976a3630b5a7547b96ac1394533b5
PDF
Publication pagedeaeb820575dc12ca4ab7e03896fc8577ef33226337fda1b9c3ec36602de2782
Manifestef9b3d847e6abb0080bd6c0170d7164d864d8384e7891b346ef7023f1d6fdbec

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
SignatureyseSNnQOIqAHyL8gXnztCjYK8KZmDi7dlaYKoWpffdv06n9kNjx44m7dQwP+QcBU2jPLqVIz6Zc707Rkm7qVAw==
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

2026-09-17T09:25:21.008595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102178
observed deaeb820575dc12ca4ab7e03896fc857...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:20.991562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102178/manifest.json
observed ef9b3d847e6abb0080bd6c0170d7164d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:20.974323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102178/publication.md
observed 47af1d9185d68b194c4d0ec5071e14a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:20.956075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102178/publication.txt
observed f90d8aed0b4f8a64eb49c566ee4bf64c...
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.