OpenTechnical

OT-2026-000091234

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, pressure sensor per zone, sustained 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-2026-000091234) never changes.

Identity and time

Publication numberOT-2026-000091234 · never reused
Internal UUID01a0ae9c-f16c-76a0-9c59-1cadb8e71c69 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091234
StatusPUBLIC

Content hashes

Canonical textf545b4a0a5e37f3ae022ad07ed43133b68f7e2bf3f730206a4e781f4ef84287b
Markdowne260d8738ce71168ebfd7f463ca2e24193fbb71770c007b74dd3edcc229a11fb
PDF
Publication page315bc1b07c7bf48adb65a5b82988cd4155e20d260aa15da14833dbcd36d8015d
Manifestc9bef0eb7334726284050426360b1b9c73374a15d6671f6f35a5b46f5a15cd4f

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
SignaturefPfIz1ODf3/x2PssjrOOMMOgRsPohSTNJ9tR9BLZcAYOBrM7KlpqWLm7bJ5lk/Awu1wvNcNRtJH1KrVY99YCAQ==
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

2026-09-17T09:43:24.441769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091234
observed 315bc1b07c7bf48adb65a5b82988cd41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:24.425462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091234/manifest.json
observed c9bef0eb7334726284050426360b1b9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:24.410149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091234/publication.md
observed e260d8738ce71168ebfd7f463ca2e241...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:24.392970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091234/publication.txt
observed f545b4a0a5e37f3ae022ad07ed43133b...
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.