OpenTechnical

OT-2026-000049963

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000049963) never changes.

Identity and time

Publication numberOT-2026-000049963 · never reused
Internal UUID01a0ae81-fd77-763d-b1e0-5d04feaf4236 · 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-2026-000049963
StatusPUBLIC

Content hashes

Canonical text8452d0de0f1bf97d6f5bf01dbd443efc3e7b1b59bc4233cfec09f7dcd844935f
Markdown31d1b352bf086084b571a17fdf07455c5e0122d2fbaa2c393c075fe6b762c94e
PDF
Publication page7f9e7d922495566cfba92e34ffa66955f14969313b6ba80f47679f6d4cbaf68d
Manifestf2867f013bfe7c61e24d148396cd66f3d3b2063cc64676d5b81b779e9fda0ae3

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
SignaturelWXqyZpUghiHnajGvd1Vizz6cNvjMUtcTQVDSAJ3XPpwpAKStCWC4C1vCKd8Q7bqYKq+4xh5HoOSiih7fjsdAQ==
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

2026-09-17T11:01:54.533000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049963
observed 7f9e7d922495566cfba92e34ffa66955...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:54.509890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049963/manifest.json
observed f2867f013bfe7c61e24d148396cd66f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:54.490778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049963/publication.md
observed 31d1b352bf086084b571a17fdf07455c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:54.472798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049963/publication.txt
observed 8452d0de0f1bf97d6f5bf01dbd443efc...
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.