OpenTechnical

OT-2026-000066607

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, pressure sensor per zone, pulsed 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-2026-000066607) never changes.

Identity and time

Publication numberOT-2026-000066607 · never reused
Internal UUID01a0ae8e-ce41-71dc-8f80-699362ee7959 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066607
StatusPUBLIC

Content hashes

Canonical text39ed17d554b25b2418e50b123cdaec3d83c251c511fdb7c9fc89ca5e881c1c4d
Markdown7eb7c40b2769153f96ffbea49e1ae6e7dd3f0b1094f8155173cb3974c74ea27f
PDF
Publication pagedacfa21a7f97e9628070f9b9d2745302bb0b5a55e03a9bdf7f2d726b17717806
Manifest24a5b9abe955798db9dd1f3a0bf7461928a7fdab0c0a4d0ad15b6675081e2e60

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
Signaturel3PZGylE/uPJd4MQdhoQAqy3xJdi1L2ljTVe+LTF4YVave9924uir/HxzvaE+9VPRyDTtmLwme0422mbccoUBw==
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

2026-09-17T10:32:58.809742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066607
observed dacfa21a7f97e9628070f9b9d2745302...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:58.791613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066607/manifest.json
observed 24a5b9abe955798db9dd1f3a0bf74619...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:58.773436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066607/publication.md
observed 7eb7c40b2769153f96ffbea49e1ae6e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:58.754999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066607/publication.txt
observed 39ed17d554b25b2418e50b123cdaec3d...
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.