OpenTechnical

OT-2026-000096493

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000096493) never changes.

Identity and time

Publication numberOT-2026-000096493 · never reused
Internal UUID01a0aea0-a4a9-7e08-af8a-fc5fe771e4ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:18.648440Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000096493
StatusPUBLIC

Content hashes

Canonical text43e61dd2c5eb00e9062b54df4c20c6deb15b8a25f03062404f3169a5bc399572
Markdowna4d2accfe93c70b457190f35302ebbd40aef024b76800b84f6e95abde4539d5b
PDF
Publication page3e9ad4ad11c37ad4bcc82f1761a495f8b1d044ffa23a8ba9c7fb315c5da911a4
Manifest4ac6e081405eb5ab7309061a44b3cb87d465fe242e2157d2df6715cacef7f4a1

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
SignatureTpgf5b8b6HZoL2CKAdU0f+JTPQ/wliwXDO3E51KYkHlk5xelCnseqkhiokSYabWb3SSI+pxHfmY9orkUN+WdBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:53.743429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096493
observed 3e9ad4ad11c37ad4bcc82f1761a495f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:49.484642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096493/manifest.json
observed 4ac6e081405eb5ab7309061a44b3cb87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:49.467642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096493/publication.md
observed a4d2accfe93c70b457190f35302ebbd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:49.449537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096493/publication.txt
observed 43e61dd2c5eb00e9062b54df4c20c6de...
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.