OpenTechnical

OT-2026-000043049

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single 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-2026-000043049) never changes.

Identity and time

Publication numberOT-2026-000043049 · never reused
Internal UUID01a0ae7b-3278-7f47-a7df-00336b1c3955 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043049
StatusPUBLIC

Content hashes

Canonical textbecef19703a661be7ada690f3cabaee47cb7a4d2ce84cc58f00806a233077c92
Markdown4dabff91d9922f61ada2b488974276975913f426f59c5e85665f529f74ba2b34
PDF
Publication page649e21fb6621854d99a2f2d1482293012023434bbffae91f2646c085decd434e
Manifest52907f71697355b924de2229be99d4f04b80f23bfe83ef634ea4b9acbc63d51f

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
SignaturefgY8VU7D2RF+zyFOWpn0/4qoLBwgqZCuOCbZ8z/AJhDGffKmV+2/BCziXEKOzJaPMeAXJjg4onOjZEpFg+ImCQ==
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

2026-09-17T11:13:27.295324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043049
observed 649e21fb6621854d99a2f2d148229301...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:27.275335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043049/manifest.json
observed 52907f71697355b924de2229be99d4f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:27.257883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043049/publication.md
observed 4dabff91d9922f61ada2b48897427697...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:27.240317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043049/publication.txt
observed becef19703a661be7ada690f3cabaee4...
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.