OpenTechnical

OT-2026-000087304

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, sustained 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-2026-000087304) never changes.

Identity and time

Publication numberOT-2026-000087304 · never reused
Internal UUID01a0ae9a-cd4e-7ccf-8cf5-48a9a8ba5088 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087304
StatusPUBLIC

Content hashes

Canonical text352611a3fe736c548659d2158b9f74ab8e6ab2c19aabd9b8a1278424d97a5322
Markdownc7dcb30b28002677c7fc1cabdf6572705ac36432aaeb95055372cd25257ccdc9
PDF
Publication page7a2c68954d13aaf9656a3539ff339e60ebbd3fee33f43546bb1d45c26765a0b6
Manifest21e288c1ae2c7d684c804e1e01d2370b2ea49710d0c7050b60ce7f9a913e2673

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
SignaturepIG0QO2Mu8Zn5j56PUYYjD74HgYiviIb2aE002lgU+vA2ThNIIiQxkAFrnSnv6uI/Zzq4/qiZdId98fHwKQODw==
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

2026-09-17T09:50:27.804078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087304
observed 7a2c68954d13aaf9656a3539ff339e60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.798215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087304
observed 7a2c68954d13aaf9656a3539ff339e60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.784543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087304/manifest.json
observed 21e288c1ae2c7d684c804e1e01d2370b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.778627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087304/manifest.json
observed 21e288c1ae2c7d684c804e1e01d2370b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.764582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087304/publication.md
observed c7dcb30b28002677c7fc1cabdf657270...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.761539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087304/publication.md
observed c7dcb30b28002677c7fc1cabdf657270...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.746142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087304/publication.txt
observed 352611a3fe736c548659d2158b9f74ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.744958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087304/publication.txt
observed 352611a3fe736c548659d2158b9f74ab...
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.