OpenTechnical

OT-2026-000083257

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three stage ejector, sustained 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-2026-000083257) never changes.

Identity and time

Publication numberOT-2026-000083257 · never reused
Internal UUID01a0ae97-c963-7a0a-ae68-ad82b5367381 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083257
StatusPUBLIC

Content hashes

Canonical textaabda457207d05281edb293463033d56770dbe4e6e1a25fbd2f7d6859b8f4c84
Markdownab2fea43c0be2d44026628ef75a0205d58407d47537869963bfcf46e2e6b1882
PDF
Publication page9af49929596fa03c0fc6e6e62cb054545400f328166ceedeeffd382ded543ef9
Manifestdaadfb4e80b0775bb7b26a7f0c3fe141e1fa100ba414e85fd79ddc782ae782d8

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
SignatureD9WWWPyUyiX9f9Hw071dCi/LiD9samzxmtccd8dpTXhd6P+CtAG8bYauWhlzrN9oemEk2UEMkZCVaTeAD9R6Bg==
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

2026-09-17T09:01:18.895577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083257
observed 9af49929596fa03c0fc6e6e62cb05454...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:18.871216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083257/manifest.json
observed daadfb4e80b0775bb7b26a7f0c3fe141...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:18.848354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083257/publication.md
observed ab2fea43c0be2d44026628ef75a0205d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:18.824505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083257/publication.txt
observed aabda457207d05281edb293463033d56...
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.