OpenTechnical

OT-2026-000060020

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000060020) never changes.

Identity and time

Publication numberOT-2026-000060020 · never reused
Internal UUID01a0ae89-ec27-781f-8997-cc8e2abfea49 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060020
StatusPUBLIC

Content hashes

Canonical textc3dd143bf0527f5262f982d4ea68dbfed1aec7d717bb7e4b11b0f88e2cf368d9
Markdown09a08fbe5d596241a37fc784463f0fe854c8e0addb4f6dbf288b36c8a3181741
PDF
Publication pagea11763478354ede607126a910f08184fd301d287c264c301ebfc90bfb22ce9b6
Manifest9e1e04921c61cdd090164ff99888acb5200ae0567ce015ca0b8df3190a8a1e57

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
SignatureWAXm30cRHxLPp7LTpU9Rws4Ie4ubjRkdRTTSn3TVA7BVqYdLa2PO16Jya57dpZRnLFj9RArI0cs+Vfz2dgC7CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:49.153271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060020
observed a11763478354ede607126a910f08184f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:49.136110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060020/manifest.json
observed 9e1e04921c61cdd090164ff99888acb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:49.120169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060020/publication.md
observed 09a08fbe5d596241a37fc784463f0fe8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:49.103203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060020/publication.txt
observed c3dd143bf0527f5262f982d4ea68dbfe...
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.