OpenTechnical

OT-2026-000104474

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, 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-2026-000104474) never changes.

Identity and time

Publication numberOT-2026-000104474 · never reused
Internal UUID01a0aea5-3421-78fc-aea5-2e8075321b34 · 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-2026-000104474
StatusPUBLIC

Content hashes

Canonical text6d6c58161eb5d04dd1fcabc8351a7322b99ecd46f9528144ff41bbb8b43ffb16
Markdowncf0b2d78bccb16a50b1a107f832481d2297b11ba8bf4305e53cf64017446636e
PDF
Publication page3dd813545a5edc4b5bd5644bbda4913d98841493db7c6635dd74966308bd821c
Manifestd10fd9256c9a8460f7a410538d5f3b42d292df5aba7e872c144bb3208dc2a1aa

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
SignatureF/5mbnJXbLwJWNjdi8eMN6RnJgV3E6A761pewbGoLw0ytK2iMhd/Y83dkGUjW4oxyN92/mSwsBNBGkle6Ng2Dw==
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

2026-09-17T09:21:45.581900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104474
observed 3dd813545a5edc4b5bd5644bbda4913d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:45.562860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104474/manifest.json
observed d10fd9256c9a8460f7a410538d5f3b42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:45.544026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104474/publication.md
observed cf0b2d78bccb16a50b1a107f832481d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:45.526325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104474/publication.txt
observed 6d6c58161eb5d04dd1fcabc8351a7322...
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.