OpenTechnical

OT-2026-000104208

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000104208) never changes.

Identity and time

Publication numberOT-2026-000104208 · never reused
Internal UUID01a0aea5-3420-7a03-9278-59ef00eeb739 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104208
StatusPUBLIC

Content hashes

Canonical text526fa48635f6102a05fbe3b4977bd1522b1ad0f9f68055c3cf5383ede7ccda6b
Markdown013b5d763d0c40d7bc3802177f5c00e2fb6a40af6b41794409c2be5bf04acec2
PDF
Publication page640993dfeff6d767e9eb33fd1a8c3789ef5f345dfee7019f8ddc66c32e001536
Manifestd96f80cd4af39f751b8c15390921ae73f6a0a0e3d8e37a95758e52f3566f2233

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
Signaturey3MpAf7l3icdXWO0Iku0bvmzA84rKx5p2lCeTXSvG3TXF0O5ySB5hwd90Oc2DfKOLxF34SrOjM4aj/+i+WLFDA==
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

2026-09-17T09:20:18.512808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104208
observed 640993dfeff6d767e9eb33fd1a8c3789...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:18.495541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104208/manifest.json
observed d96f80cd4af39f751b8c15390921ae73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:18.475420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104208/publication.md
observed 013b5d763d0c40d7bc3802177f5c00e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:18.457633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104208/publication.txt
observed 526fa48635f6102a05fbe3b4977bd152...
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.