OpenTechnical

OT-2026-000069299

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000069299) never changes.

Identity and time

Publication numberOT-2026-000069299 · never reused
Internal UUID01a0ae90-b528-71ba-927c-84bde181e7fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069299
StatusPUBLIC

Content hashes

Canonical textc43381d2c8f533192f97c9cd7e8f9c0b4ceb142271d72b31699564c7a4ec8754
Markdown497bec0d4cd3ae528b8d6fbe0f186c53d5c8239bb84e011c3cba44cea44258fb
PDF
Publication pagee1cc78da0cf5e701b74b8238351b3959911a303c843656775c69581919492595
Manifest52014578d1e87da67147794bdb1c6a91c82e26afb51737acf4e311f3ce619232

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
SignatureP9Z25CVhEBLpEUQYOQwSnQfIXgfv5vhRxBdeCNBYam4+YPbhB6cM5on2LPG2wzNjMDa8ALarA0yl765SewVmDQ==
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

2026-09-17T10:30:03.458641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069299
observed e1cc78da0cf5e701b74b8238351b3959...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:03.441435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069299/manifest.json
observed 52014578d1e87da67147794bdb1c6a91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:03.316998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069299/publication.md
observed 497bec0d4cd3ae528b8d6fbe0f186c53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:03.243912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069299/publication.txt
observed c43381d2c8f533192f97c9cd7e8f9c0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:52.158429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069299
observed e1cc78da0cf5e701b74b8238351b3959...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:52.138394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069299/manifest.json
observed 52014578d1e87da67147794bdb1c6a91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:52.091755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069299/publication.md
observed 497bec0d4cd3ae528b8d6fbe0f186c53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:52.072475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069299/publication.txt
observed c43381d2c8f533192f97c9cd7e8f9c0b...
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.