OpenTechnical

OT-2026-000007293

Publication integrity record

Porous face vacuum gripper, plant vacuum fed, contact triggered, pulsed blow off after 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-2026-000007293) never changes.

Identity and time

Publication numberOT-2026-000007293 · never reused
Internal UUID01a0a979-9765-7a37-90f0-35747bf50d43 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:08:33.376287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007293
StatusPUBLIC

Content hashes

Canonical text1eb20319f9ce1b6917feb0703c7190c4592f251773ccc8de3f8d5be21b093df4
Markdown66719ed235a427c1c7dde9b87d2bbbcd3491e74291fc18974780b412482422a0
PDF
Publication page7675b3eeeddb0e550ce34424002c74cbd2c82a455e2fcfafa6001f0814c102f5
Manifest411c29736c8d7929f407ee6a1b984a6b3c0839236c3596b9760d0eaa155eee50

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
Signature4mdK9vdetlkfNNgIHHfCHTWHaWiuaGyt9bRFLDA+PL1BkJVJDll7AzYvCppjx0CPu2bYSFZr9ap1cogLA2axAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:10:06.971135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007293
observed 7675b3eeeddb0e550ce34424002c74cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:06.959573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007293/manifest.json
observed 411c29736c8d7929f407ee6a1b984a6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:06.945979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007293/publication.md
observed 66719ed235a427c1c7dde9b87d2bbbcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:06.931763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007293/publication.txt
observed 1eb20319f9ce1b6917feb0703c7190c4...
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.