OpenTechnical

OT-2026-000099714

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, pressure sensor per zone, 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-2026-000099714) never changes.

Identity and time

Publication numberOT-2026-000099714 · never reused
Internal UUID01a0aea2-c977-7d00-87ac-38059a40ca87 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099714
StatusPUBLIC

Content hashes

Canonical text86436c021cc4effe3529a507de23b4b207111fe54319c1a3bba0182c2647a260
Markdown75ea623ca4d4c60634d97d38738fee111574fee9630cc18787f9da410aa272f3
PDF
Publication page5a6a66512cddfe6007241061f681b47f47be9e7e449f7668611f1f17061d9e16
Manifestbad232d52973bbafb08d50d9c3aaf057eeeab9fbcf8afdb5ce2610acc57c9bb1

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
SignatureEW5GRJF3wr6yeYJBfSE/Dkfk3b1ZziTDNeI48NtVEmAeRsXbhfqojaeMsbQknfV99v42epZ9FewTBK1tW5owCw==
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

2026-09-17T09:29:43.879063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099714
observed 5a6a66512cddfe6007241061f681b47f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:43.863018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099714/manifest.json
observed bad232d52973bbafb08d50d9c3aaf057...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:43.845899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099714/publication.md
observed 75ea623ca4d4c60634d97d38738fee11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:43.829555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099714/publication.txt
observed 86436c021cc4effe3529a507de23b4b2...
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.