OpenTechnical

OT-2026-000069447

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, three 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-2026-000069447) never changes.

Identity and time

Publication numberOT-2026-000069447 · never reused
Internal UUID01a0ae90-b52a-7207-b5e4-85269b2256f6 · 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-2026-000069447
StatusPUBLIC

Content hashes

Canonical text5b4d9fa323fae597f96b90eb6cad2cafb656354c0aa98de57eb495be47122f31
Markdown5698c10d7188eb97685d80715e04a3f37a0bc1171499a5a7b81c5fb89bc2eefb
PDF
Publication page7d63d768431436555a5834993bf87d5b544cb3019f357103aa67e6c0d7098656
Manifestc4b4f3896a66d19a52bbc2d0e8f4f73b70f98ddc426d2e5e1db27291261a1d17

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
SignaturezcF0UhW9V0ifx6LrbuZyWaVIVuNXH0mkPbafomJhLYFUa2evyfqZOXhVPquMQfgQIbjEVnS52qnkVs1GerTiDA==
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

2026-09-17T10:30:30.980510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069447
observed 7d63d768431436555a5834993bf87d5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:30.961107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069447/manifest.json
observed c4b4f3896a66d19a52bbc2d0e8f4f73b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:30.944597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069447/publication.md
observed 5698c10d7188eb97685d80715e04a3f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:30.926579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069447/publication.txt
observed 5b4d9fa323fae597f96b90eb6cad2caf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:03.899889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069447
observed 7d63d768431436555a5834993bf87d5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:03.881651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069447/manifest.json
observed c4b4f3896a66d19a52bbc2d0e8f4f73b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:03.863072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069447/publication.md
observed 5698c10d7188eb97685d80715e04a3f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:03.843357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069447/publication.txt
observed 5b4d9fa323fae597f96b90eb6cad2caf...
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.