OpenTechnical

OT-2026-000068928

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000068928) never changes.

Identity and time

Publication numberOT-2026-000068928 · never reused
Internal UUID01a0ae90-6dcc-7946-acdc-4667f5b887bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068928
StatusPUBLIC

Content hashes

Canonical texte56c276dadd9fda847fdf0b72cb6b017c8fd68e6561034803ec317406a76ac56
Markdown00f539ef98690afac3831175173998b90d4f5b45323a5624cbeb7759c5487d2f
PDF
Publication page8a5e29bc88af2c1df44446f6e99b7accce84411ee2482b1f9daf325e5a6ad807
Manifest006e98c39aea5ae3723f61a7317fecdde1bfdbfd008f500fc7cc2209f0024aa7

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
SignatureLwM+LboHqOg2dP35gdlG/6MQyto1N4d+QvVd2rTTHjhtjvj8r5i0dcVUbvgWm+raDSmdKxJY02Y/eRix09iTDg==
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

2026-09-17T20:44:24.055411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068928
observed 8a5e29bc88af2c1df44446f6e99b7acc...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:44:23.870030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068928/manifest.json
observed 006e98c39aea5ae3723f61a7317fecdd...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:44:23.693935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068928/publication.md
observed 00f539ef98690afac3831175173998b9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:44:23.147975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068928/publication.txt
observed e56c276dadd9fda847fdf0b72cb6b017...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:28:45.408342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068928
observed 8a5e29bc88af2c1df44446f6e99b7acc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:45.389500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068928/manifest.json
observed 006e98c39aea5ae3723f61a7317fecdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:45.371996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068928/publication.md
observed 00f539ef98690afac3831175173998b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:45.354124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068928/publication.txt
observed e56c276dadd9fda847fdf0b72cb6b017...
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.