OpenTechnical

OT-2026-000055444

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000055444) never changes.

Identity and time

Publication numberOT-2026-000055444 · never reused
Internal UUID01a0ae86-a102-7e01-9a36-91185b20f438 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055444
StatusPUBLIC

Content hashes

Canonical text40fcc727041e97616000a5b6402ec11a996be1bf6fa3910db3e2b887e3ff9b0d
Markdown459ecdbc09eb7ed483bed16c4b5878cfa6c28162d4ec397abcefc891bcca8b95
PDF
Publication pagef041257ca7e1c0bd58c12f45677cf8c9c0151860820bc44f12d7de23fba722e7
Manifest86dda3afcc243892228bf5a347092c8358f4c1b05a48ecaecdbd719b0c195d3a

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
SignatureOOvMhYMnshW295jLK3ZYUmH5zhovP8JCeyd6OqP3TWYuGeuUZD9gFQQNsQIrzyUejkLaVW/UDDvcqNAfP00ADg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:52:05.783105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055444
observed f041257ca7e1c0bd58c12f45677cf8c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:05.765036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055444/manifest.json
observed 86dda3afcc243892228bf5a347092c83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:05.743041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055444/publication.md
observed 459ecdbc09eb7ed483bed16c4b5878cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:05.724111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055444/publication.txt
observed 40fcc727041e97616000a5b6402ec11a...
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.