OpenTechnical

OT-2026-000063168

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000063168) never changes.

Identity and time

Publication numberOT-2026-000063168 · never reused
Internal UUID01a0ae8c-94ab-77c2-84ff-158eebc66f84 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063168
StatusPUBLIC

Content hashes

Canonical texteb68b85e0346ae2c2a7e9fd34b4c647bd6a666ce2a5f4fd86cd12f9b7e61f654
Markdown786d3ea2f884332c915687d22503fad049886f88b3d47c41ddd0f589a1fbc3ef
PDF
Publication page46a35487fa044945b21f9495ba1ec48bf9779bdcb8af5be7136faca8ee9f7263
Manifest7054cbb53243930c3022078309f146bf7472164daccb56823a66676f59de5771

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
SignaturemoeoCa5Q0zdWx/qABFo3zQy6GtbWINrOzFRxbCF2OrHTwMTGzhRb9835H1mi6aqhErE7h6ap3ehkzzZvvVp0Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:38:57.518738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063168
observed 46a35487fa044945b21f9495ba1ec48b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:57.500731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063168/manifest.json
observed 7054cbb53243930c3022078309f146bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:57.481487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063168/publication.md
observed 786d3ea2f884332c915687d22503fad0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:57.463615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063168/publication.txt
observed eb68b85e0346ae2c2a7e9fd34b4c647b...
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.