OpenTechnical

OT-2026-000014173

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000014173) never changes.

Identity and time

Publication numberOT-2026-000014173 · never reused
Internal UUID01a0ae6d-b279-7b08-8363-e39a1c0bde47 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014173
StatusPUBLIC

Content hashes

Canonical text4ba86f6e7d4cbc1c83803952ebf440f2d7bb73420ac6f6f16514d0ec086cbb16
Markdown61e7793d0a7a50de7527dad75526b74074b0e3092058ee82bfb488e5cbe7ea53
PDF
Publication pagef60dacb8b09ae13581904fc225c1c14ee186fefca2cfb80f6feda6d2602a4f5c
Manifestcf3fcaa50e54154c0ee0a637dfbef47b044f2f54bb58b4fa336fb14897c7c8bb

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
SignatureGdJedOI+CBlu/NpKQjz2Sdr5kfEtB+XRn1sLt7Y1+B8s9TWuql6WfRQMEQf/SJLSfaXpoMh+viBLzvHGKpMzBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:07:15.853298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014173
observed f60dacb8b09ae13581904fc225c1c14e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:15.833232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014173/manifest.json
observed cf3fcaa50e54154c0ee0a637dfbef47b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:15.813300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014173/publication.md
observed 61e7793d0a7a50de7527dad75526b740...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:15.792428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014173/publication.txt
observed 4ba86f6e7d4cbc1c83803952ebf440f2...
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.