OpenTechnical

OT-2026-000078145

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000078145) never changes.

Identity and time

Publication numberOT-2026-000078145 · never reused
Internal UUID01a0ae95-6e8c-7c6b-8c4e-df0157a43c94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078145
StatusPUBLIC

Content hashes

Canonical text795d1e8948868c4d7acbd24b31f9d8340cac1decef5e46dc7136e8f303c86da0
Markdown3cbfa2795f8eb6215590fa9ded5d06832c1d5c6429a8d68cb03e57b4f957cfd0
PDF
Publication pagede70546aa919de5875b4666c611dc7d0e3654f793a410cf783656c3a4b5ba494
Manifest01e49226e79c3cf386465b6e2f3625a07ac8b5585e10f7835c81b950309f2a8d

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
SignatureDl9iEqw52jbU6fbudKH3MvZrbqdbLH+sEYNbnn/kfp2DC1ekgAWLmVKBu6TVI7U/xU0s10TcKQ/aW+JIgoJiBg==
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

2026-09-17T10:06:51.471395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078145
observed de70546aa919de5875b4666c611dc7d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:51.452296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078145/manifest.json
observed 01e49226e79c3cf386465b6e2f3625a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:51.433434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078145/publication.md
observed 3cbfa2795f8eb6215590fa9ded5d0683...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:51.412859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078145/publication.txt
observed 795d1e8948868c4d7acbd24b31f9d834...
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.