OpenTechnical

OT-2026-000075883

Publication integrity record

Three cup vacuum gripper, three zone face, two stage ejector, pressure sensor per zone, 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-2026-000075883) never changes.

Identity and time

Publication numberOT-2026-000075883 · never reused
Internal UUID01a0ae94-29ff-7d95-9d6e-92d4df4ccf27 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075883
StatusPUBLIC

Content hashes

Canonical text6f940729fc4f83c8830c47f17edfbfe0c9a969dd36485ee49590bed6ce64b8fb
Markdown62d3e243b418ae8e4f3d41562dfad908222983ecaa2269903eb6094511bccf11
PDF
Publication pageab48050f780f108da9fe46cce1102c52aefa8f0cecd2935275031241868112c3
Manifestc465a3aa6f074e20718e45e1c7d88a6491914cee0a5aca647dccee22693d0bd9

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
Signature328GFABP9kFkpDihf5lh8WSskylXrUo+7L8hjJhnJWxfjEWZRmmlcaVisGvILvLTV08946WWIIKE9DZMxgYMBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:14:37.244858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075883
observed ab48050f780f108da9fe46cce1102c52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:37.226526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075883/manifest.json
observed c465a3aa6f074e20718e45e1c7d88a64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:37.205402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075883/publication.md
observed 62d3e243b418ae8e4f3d41562dfad908...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:37.061306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075883/publication.txt
observed 6f940729fc4f83c8830c47f17edfbfe0...
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.