OpenTechnical

OT-2026-000009694

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, sustained 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-2026-000009694) never changes.

Identity and time

Publication numberOT-2026-000009694 · never reused
Internal UUID01a0ae6b-7564-7ed6-b62c-bc2621a7f333 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009694
StatusPUBLIC

Content hashes

Canonical text665d0e31f53540ccde11aa96f8541404dd9d14f84b77799baa9fc6d442b6b28e
Markdown0f81812950cc1d4460b6583526f3762fa6af8c97ae4ab88cc46f25c1c2336adc
PDF
Publication page505ff29f3612e475d57a90a9ce795561dce4b6c78f897589976df5ad91993bfa
Manifestb4c48869195e08b3c1685e3f6675437eeb8aefd97291f0a45626050215913d66

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
Signaturej+X4NLec0wlVYZ3wxdtm4PuyrwxeIROHeMYLXklgD026SvBi3/qk+rQFg4MJIRNVZT3EF+YCO6hGIznY8SKmAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:10.832717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009694
observed 505ff29f3612e475d57a90a9ce795561...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:10.814771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009694/manifest.json
observed b4c48869195e08b3c1685e3f6675437e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:10.793142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009694/publication.md
observed 0f81812950cc1d4460b6583526f3762f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:10.772462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009694/publication.txt
observed 665d0e31f53540ccde11aa96f8541404...
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.