OpenTechnical

OT-2026-000091249

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum 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-2026-000091249) never changes.

Identity and time

Publication numberOT-2026-000091249 · never reused
Internal UUID01a0ae9c-f16c-7470-967f-4d1741b553cc · 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-2026-000091249
StatusPUBLIC

Content hashes

Canonical text80f5f98f79f23be41fc60e8823c2abf87e42193875ff671195457353daef7e38
Markdowna28569f01e98c77b7e2370872da8c49ab8b8e4f2d7a4090bac1e555dd1bf59ff
PDF
Publication pageff6562844f0b6fede000bc06c5b96ac2ca8d21a3d845c88b399a8d7a85227290
Manifest519e75bd828be4148f76b5546a8d10387b29712bb898588871528d03133f1461

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
Signature0SghlYmMixaCd9WW+eoz6lQdRJNuZHkRMY0sKQTTaxdB4nERZ+IvWb2wi96mBl+zXmxz2/C5QBD8gvbfU8QRBA==
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

2026-09-17T09:43:25.497720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091249
observed ff6562844f0b6fede000bc06c5b96ac2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:25.479996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091249/manifest.json
observed 519e75bd828be4148f76b5546a8d1038...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:25.462113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091249/publication.md
observed a28569f01e98c77b7e2370872da8c49a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:25.446230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091249/publication.txt
observed 80f5f98f79f23be41fc60e8823c2abf8...
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.