OpenTechnical

OT-2026-000042734

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, sustained 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-2026-000042734) never changes.

Identity and time

Publication numberOT-2026-000042734 · never reused
Internal UUID01a0ae7a-c0cf-71b5-95fe-ad74dc8eef3d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042734
StatusPUBLIC

Content hashes

Canonical text59394eae455808ec318155fb97bc481e7acda57358351e7acafea1853e2ff68e
Markdownfea67e549c521f45b0e129d529221cb784ec9371fd809e014ddbe9d6d2a1b2a2
PDF
Publication pagedc98ccee9b63d5ad3044d44de2ef17d1e3e90a80f32c11e51f6ca545cb18a2da
Manifest281a31f26f47bfa82f167851648202eeb8899393d1e48e41f38764a7c27c9e1b

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
SignaturerSyKI0wRwgqFf66G+G/EKnWZ3QXfsK/wxrnpJ6Mc2sSFTiNRY/mDR8cH4C3XfPqeec7GBwSm720y6Yk1pO8ECA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:15:10.663629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042734
observed dc98ccee9b63d5ad3044d44de2ef17d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:10.644106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042734/manifest.json
observed 281a31f26f47bfa82f167851648202ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:10.624090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042734/publication.md
observed fea67e549c521f45b0e129d529221cb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:10.606643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042734/publication.txt
observed 59394eae455808ec318155fb97bc481e...
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.