OpenTechnical

OT-2026-000102899

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, pulsed blow-off after 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-2026-000102899) never changes.

Identity and time

Publication numberOT-2026-000102899 · never reused
Internal UUID01a0aea4-be3c-7ad2-b25f-55658e5520b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102899
StatusPUBLIC

Content hashes

Canonical text7648e4bb22b34fc8ba0f6a57d8b81db37749acad6940bb21e99c898c16abe589
Markdown77e788dc6c3554cfdd6f9d769a34801c1ef5b51135708ca4ca9f34eb6530d739
PDF
Publication pagefeebd7fb1b2ce7a4afd107171d9225560fea633d1f30e4976cec2bd654e50a36
Manifest0d522bab4e7d1f28b9792b426234b10affdf2f6683300a6359dd84b0d85f3132

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
Signature7YMaWgKcmQD/hd2S3ViGWR1Mf48WoRFMN1mzLTz4nBCzo6qjnNY0D2OgatlF2utuS1/3mUSu3aZvlQxGOS8MCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:54.706940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102899
observed feebd7fb1b2ce7a4afd107171d922556...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:54.691695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102899/manifest.json
observed 0d522bab4e7d1f28b9792b426234b10a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:54.675511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102899/publication.md
observed 77e788dc6c3554cfdd6f9d769a34801c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:54.656631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102899/publication.txt
observed 7648e4bb22b34fc8ba0f6a57d8b81db3...
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.