OpenTechnical

OT-2026-000103080

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, single 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-2026-000103080) never changes.

Identity and time

Publication numberOT-2026-000103080 · never reused
Internal UUID01a0aea4-be3d-7056-a8a2-9b267291eb5a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103080
StatusPUBLIC

Content hashes

Canonical textb244817ef7155b745211bc23b7471014716d53c26314f18af2a643b6eb5152c7
Markdowna1b4f5f2d8c34cb56fc2aaf5bb1c82fb81d21f3112c7e18342bd59c3d9e68570
PDF
Publication pagedff3eb4fd0129a88c04530aae7fac17f18856830a89027b6a3103dcca7d02a38
Manifest14e07dcfb440c3c48d2ccee1e436e17266e27fc47043355c055168135425a61c

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
Signature9qgbtTiO0NBdOlxESL37dnVc7qhSip/eL/3K2sf9ucnk+g4tYI72qNcAqIL0TIcNN27eKNBf6Hbv+8zKNwwSBw==
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

2026-09-17T09:23:12.391932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103080
observed dff3eb4fd0129a88c04530aae7fac17f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:12.373051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103080/manifest.json
observed 14e07dcfb440c3c48d2ccee1e436e172...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:12.355230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103080/publication.md
observed a1b4f5f2d8c34cb56fc2aaf5bb1c82fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:12.336708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103080/publication.txt
observed b244817ef7155b745211bc23b7471014...
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.