OpenTechnical

OT-2026-000097430

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump fed, supply line pressure sensor, 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-2026-000097430) never changes.

Identity and time

Publication numberOT-2026-000097430 · never reused
Internal UUID01a0aea1-55b3-7882-b81d-58faf3abb2c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097430
StatusPUBLIC

Content hashes

Canonical text22002a523380c503ea2c4d87b7f06b42ce9fb3ce998bc7fad0d4d6f7bcc867cd
Markdown369df2028e2634efd8cbefff73bf660e3921a7867499b445e46434af6443238d
PDF
Publication pagec2ee3dafc42eb7369b901704e8f512f391db9536c09b7baf52e64360fb081cf7
Manifest172457695d1d171cf975806abc0a1b87a0a0a32d84d849bba0126e0babafccac

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
Signature57VG8ejdoHqo/+rtw/xLBwk5uaYWe2IPSp3pIZdS+djFHm3mFPGxD7V02jWTl6GmiwMGuMObjMnUyQXZbQsPCw==
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

2026-09-17T09:33:17.203946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097430
observed c2ee3dafc42eb7369b901704e8f512f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:17.185191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097430/manifest.json
observed 172457695d1d171cf975806abc0a1b87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:17.167228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097430/publication.md
observed 369df2028e2634efd8cbefff73bf660e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:17.150659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097430/publication.txt
observed 22002a523380c503ea2c4d87b7f06b42...
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.