OpenTechnical

OT-2026-000102961

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four 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-2026-000102961) never changes.

Identity and time

Publication numberOT-2026-000102961 · never reused
Internal UUID01a0aea4-be3c-7eae-b4ca-3542ac61190f · 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-2026-000102961
StatusPUBLIC

Content hashes

Canonical textdc4f00991f620162b8195c279069f9ccd17f413f0f6ab46a21f50bb892fb4ee3
Markdown3976fdd8ec579ff6317a8c4facfb31754206eb3c40161775e326b15425747089
PDF
Publication page8e6dd5f8c211c4d6ce73c61c74426cc81f2d4341b756841734861c62d6bb2467
Manifest6c17065f63b39dce12dbf9c35c5243b04f2ac797ac9bc0a5723afded6035e3b8

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
SignatureitIC6tnEYsbmgREOASF4QHcYPvOIDw6xv1BzjcIgUplDP9Bp4i6uIgMlZVNS80lvx7nzd5lksIPG3aiDyAu7BQ==
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

2026-09-17T09:23:04.194547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102961
observed 8e6dd5f8c211c4d6ce73c61c74426cc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:04.176065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102961/manifest.json
observed 6c17065f63b39dce12dbf9c35c5243b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:04.159126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102961/publication.md
observed 3976fdd8ec579ff6317a8c4facfb3175...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:04.143205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102961/publication.txt
observed dc4f00991f620162b8195c279069f9cc...
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.