OpenTechnical

OT-2026-000015940

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, pulsed blow-off before set-down

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-2026-000015940) never changes.

Identity and time

Publication numberOT-2026-000015940 · never reused
Internal UUID01a0ae6e-0c4d-79d4-8bc0-52a36dee5bf7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015940
StatusPUBLIC

Content hashes

Canonical textf95589bb4091147eac726bf15cec3ff239239812824fb903dfbc5f38dd0020fe
Markdown78b99de8820be37480b013324e7d8428d0174bee1e8d5e6f3d7dc8439ad2c2e1
PDF
Publication page87f967843d62d10288093101eec4768252a917386e5b44d4738ca46e3a4975ed
Manifest47d75353378a569d333e9e2de64999b24cf09c74d4fd2438e84b8964ee709619

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
Signatureh5qk9d5VEqrB8gMYS4lTs/On1+aT+85wAkraeAuiFzGsw9Tkoc3vtrz5ITz+SSryuv45z/znKEiFMxi8QpTBAg==
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

2026-09-17T12:05:24.850314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015940
observed 87f967843d62d10288093101eec47682...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:24.830857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015940/manifest.json
observed 47d75353378a569d333e9e2de64999b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:24.809353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015940/publication.md
observed 78b99de8820be37480b013324e7d8428...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:24.788943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015940/publication.txt
observed f95589bb4091147eac726bf15cec3ff2...
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.