OpenTechnical

OT-2026-000068540

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single 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-2026-000068540) never changes.

Identity and time

Publication numberOT-2026-000068540 · never reused
Internal UUID01a0ae90-2482-7fb6-828e-60e2bbea1327 · 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-2026-000068540
StatusPUBLIC

Content hashes

Canonical texte0bc0fdfca5eb2f2cd88a2fba39add3eeca65b8cdfb526096218745435fb86c6
Markdown1dd51a75c53d4334a4988b0eb2c10c0cbef030a27f40ee8b13fa7e68e54ad70e
PDF
Publication pagec80df1da776fb5bba650fce40713f526f7b7b36836d6932dba93807061207a98
Manifesta13279e4b0ca11526a3906c5e3a89e5233958bcc2c2f953d5f963c7aef511e9b

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
SignatureMJ8RYxmAlWxci2Pfn2+wtPWySj9thJH0WMbnJnPhvG5XWGNjKKZE8AxneebcifZiumvQg++XYpHtqQ4/F02pDA==
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

2026-09-17T10:29:42.377556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068540
observed c80df1da776fb5bba650fce40713f526...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:42.360248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068540/manifest.json
observed a13279e4b0ca11526a3906c5e3a89e52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:42.339905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068540/publication.md
observed 1dd51a75c53d4334a4988b0eb2c10c0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:42.321479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068540/publication.txt
observed e0bc0fdfca5eb2f2cd88a2fba39add3e...
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.