OpenTechnical

OT-2026-000085050

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, 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-2026-000085050) never changes.

Identity and time

Publication numberOT-2026-000085050 · never reused
Internal UUID01a0ae99-43b8-7f1c-8c30-611d4d2c204b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085050
StatusPUBLIC

Content hashes

Canonical textce447b57efef309a761c2ed9792ba8f78dbe2bcc30edc1ed27e481d9a63f1734
Markdown11eed525179e6d5533d454626b147e2fda539c5e692105ec1bb89a1ff688ffc5
PDF
Publication page38821faab08ede6bd2b3ebba01bdabf8f6e3a94f4b38c93d39376c5fa3d08f6d
Manifest05b9a467217b754b04aea4d01bbd9ab928bdbe3d942cff2507fecb76c68a73d0

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
SignatureSmldVkIyY5p+NWCKpOK0+0Z2Bv+15zqHn2oMYLeZu2Fr/mFQppJeFML24cJZOBTnfoepyb2gWiw497arWy8CCA==
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

2026-09-17T09:55:04.158060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085050
observed 38821faab08ede6bd2b3ebba01bdabf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:04.138375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085050/manifest.json
observed 05b9a467217b754b04aea4d01bbd9ab9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:04.120375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085050/publication.md
observed 11eed525179e6d5533d454626b147e2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:04.102967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085050/publication.txt
observed ce447b57efef309a761c2ed9792ba8f7...
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.