OpenTechnical

OT-2026-000099789

Publication integrity record

Foam pad vacuum gripper, three zone face, 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-2026-000099789) never changes.

Identity and time

Publication numberOT-2026-000099789 · never reused
Internal UUID01a0aea2-c978-7b09-83b5-e123cce3acd1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099789
StatusPUBLIC

Content hashes

Canonical text695e63fade8bc201fefab2823ab9285c29c5fbaf3139e4690993b25def46bc8c
Markdownff3c4bf8961645ad24eb4d1eda9be67434665faa091ec5a1fd4fcac33469d9fd
PDF
Publication page56fa305b87b091b35c14cf05dac4c2eefa5cc308a65834d193271bce20e92e27
Manifestaaaa308b94d90d392e5c9736d3605d487729ec633b9383cdc53e1283d541450b

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
SignaturefP+x08KKl34+Tk/ntCgdDF23dQGijuKk8Ty/QqCNKO/UKapuAJtTQIMuR7Q0W6JHW0YRc9EYERnUGmV7XvRSCw==
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

2026-09-17T09:29:49.576734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099789
observed 56fa305b87b091b35c14cf05dac4c2ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:49.560961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099789/manifest.json
observed aaaa308b94d90d392e5c9736d3605d48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:49.545252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099789/publication.md
observed ff3c4bf8961645ad24eb4d1eda9be674...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:49.528619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099789/publication.txt
observed 695e63fade8bc201fefab2823ab9285c...
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.