OpenTechnical

OT-2026-000068620

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, three 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-2026-000068620) never changes.

Identity and time

Publication numberOT-2026-000068620 · never reused
Internal UUID01a0ae90-2482-7017-a40a-ac578dbd8c2f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068620
StatusPUBLIC

Content hashes

Canonical text1d46a7e7e1c2474f6c3d27f5cae8a08d471aec228da5d83dd5a92ef03c95c707
Markdown296b1625a40b1e9047f7358c07e0a5d1d0dfde3be11e44dcea46f7d9e341c56e
PDF
Publication page109cd2c49c75f8cb43fa2efabd89a2d73dcf7feffa145076a3772f6ccd96b0e7
Manifest707cc20099e11c50b23ef019adc7062a1a2c108734419d052e32e849da0330ff

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
SignatureTKFzcUCbO/SCHZRB3G91FG2ay2dyUJEXtJ78qtHU2zoh6Do6JvgUNHESjLANYQ7x3EOZWwowCB384oO/HKs+DQ==
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

2026-09-17T10:29:48.333140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068620
observed 109cd2c49c75f8cb43fa2efabd89a2d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:48.315376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068620/manifest.json
observed 707cc20099e11c50b23ef019adc7062a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:48.298709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068620/publication.md
observed 296b1625a40b1e9047f7358c07e0a5d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:48.281458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068620/publication.txt
observed 1d46a7e7e1c2474f6c3d27f5cae8a08d...
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.