OpenTechnical

OT-2026-000102028

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, single 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-2026-000102028) never changes.

Identity and time

Publication numberOT-2026-000102028 · never reused
Internal UUID01a0aea4-50f1-798f-b586-fa49ea41b6d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102028
StatusPUBLIC

Content hashes

Canonical textf236b97f37cf2cfd9e7931d1f4862a9eac48f07d616b423d1b6ee8c3bcfd9960
Markdowna27e43b1e300f4fafb05dea815f6d0c646e44559e3fca609d0315925066dd837
PDF
Publication pagee5ec5b5767a703d8cd01707cb3109203dedf8798c2caf051d99a61c508b91eb1
Manifest585e93f21ec6f5d8a3589fd306cf9c9de51bbd0faa6fe0835e562991d8fc299a

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
SignatureWAFBfOReWjTNyH7B/TlkV5/JVPU+KmPcOYPdVAvs6MhwllPWOnTAUdPZRI1NJeE15Y7J+EMO24k/UxCDEw2iDw==
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

2026-09-17T09:25:09.784562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102028
observed e5ec5b5767a703d8cd01707cb3109203...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:09.767234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102028/manifest.json
observed 585e93f21ec6f5d8a3589fd306cf9c9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:09.749489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102028/publication.md
observed a27e43b1e300f4fafb05dea815f6d0c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:09.731463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102028/publication.txt
observed f236b97f37cf2cfd9e7931d1f4862a9e...
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.