OpenTechnical

OT-2026-000050091

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, two stage ejector, 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-2026-000050091) never changes.

Identity and time

Publication numberOT-2026-000050091 · never reused
Internal UUID01a0ae81-fd79-7aa9-a49a-a2ae037c3d4c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050091
StatusPUBLIC

Content hashes

Canonical texte142f78a025b0e5e4c4ec6990c26c26a6a8ee69e64d2802b80c876b6591ef22f
Markdownbe7b541d0cc8876a62cfb51bb449f340fc58fee31e1fed81027650d52686a320
PDF
Publication page7e9dcc8ca7bae0428f803f6701eed386c677df6d3749f4ee9c483deeb69574fc
Manifestaafb62fafa00d725c752a8219c656f242ea4ff80c55dac3536ab335e3b002231

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
SignaturezWJF5epuyStwdgs6Ge6L7zM/X5UcQE30qs5MG2Lcr0FuobttmvkQURUGPaq2vY0vXIE96oNhGROVJ1A6WHFECA==
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

2026-09-17T11:02:05.317597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050091
observed 7e9dcc8ca7bae0428f803f6701eed386...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:05.301738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050091/manifest.json
observed aafb62fafa00d725c752a8219c656f24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:05.282416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050091/publication.md
observed be7b541d0cc8876a62cfb51bb449f340...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:05.262635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050091/publication.txt
observed e142f78a025b0e5e4c4ec6990c26c26a...
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.