OpenTechnical

OT-2026-000088027

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump fed, supply line pressure sensor, 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-2026-000088027) never changes.

Identity and time

Publication numberOT-2026-000088027 · never reused
Internal UUID01a0ae9b-1aa6-7387-8a98-5d6aaa118212 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088027
StatusPUBLIC

Content hashes

Canonical text0cba349ff305a74f4fa3239c39bee98edb9ee76a6e3f3fc4fb02533de2d28805
Markdown18ab7b9e228bb00c84dba325bf9940d8f75a3f85332b96553989ab03800648b6
PDF
Publication page01d20b935caea885553a79620c6cae5118b3eac5983149c416fe93d2225132f1
Manifest6901d517db16037089db2a8e6ed6e4779b4bb0d6bae7b1e9af01620454751178

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
SignatureSxsGuNPQ/RQFEb+AkvKuXyuTEp2tnQy8JBGNXmZA8U/1AU3Ioog6L4SsJ/fhaKsPjPiMobHOizPSwH6Q8jhaAw==
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

2026-09-17T09:49:24.803691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088027
observed 01d20b935caea885553a79620c6cae51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:24.784018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088027/manifest.json
observed 6901d517db16037089db2a8e6ed6e477...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:24.766714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088027/publication.md
observed 18ab7b9e228bb00c84dba325bf9940d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:24.748614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088027/publication.txt
observed 0cba349ff305a74f4fa3239c39bee98e...
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.