OpenTechnical

OT-2026-000103849

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, three 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-2026-000103849) never changes.

Identity and time

Publication numberOT-2026-000103849 · never reused
Internal UUID01a0aea5-15e6-72ba-85cf-3ea4e2fc4d29 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103849
StatusPUBLIC

Content hashes

Canonical text3abf8434b164dad7a2810ddd5d5ae50ff09fa90f53521cbaf4652eb7377ff145
Markdowna429d9f7d9fe795ec6a49a625b84c658437c734b9a1bfaa7c109c78df3b8f813
PDF
Publication pagea9078ba1992ed96d94720d1ef8c1431166b886e40833e193a2469b8d339f0192
Manifest55f5e1b91350fb51a14dbb41023f69c750278f2da6ad0065438ad119eb2d31fa

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
SignatureXwam4JXVFNLmP/lqSlAiJD4Zna/N1SQhPkWApw71T8IC9ycPJOJGVHWYKqPkd6/hNBdPNOH+Wve0a2nI/xThBw==
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

2026-09-17T09:21:49.737789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103849
observed a9078ba1992ed96d94720d1ef8c14311...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:49.719574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103849/manifest.json
observed 55f5e1b91350fb51a14dbb41023f69c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:49.703320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103849/publication.md
observed a429d9f7d9fe795ec6a49a625b84c658...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:49.685636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103849/publication.txt
observed 3abf8434b164dad7a2810ddd5d5ae50f...
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.