OpenTechnical

OT-2026-000007249

Publication integrity record

Vacuum cup gripper, per zone isolation, four outlet manifold, two stage ejector, rubber cups

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-2026-000007249) never changes.

Identity and time

Publication numberOT-2026-000007249 · never reused
Internal UUID01a0a978-02bb-70fe-909e-a0ecc76e29f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:06:49.662514Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007249
StatusPUBLIC

Content hashes

Canonical texta706f12c5a81311294bec9f6a3269c961be656a8801b30c4525a3c173b8f3c75
Markdown62c7d69d658dfe7037e9d73017f03fd2a970e39a376f90fea5c3313dc24839f7
PDF
Publication page7df3655a8622c0e1a9a1cf166208d14a8b8c09dceca8a175405966f9ddbd24e6
Manifest63edbcb466332fd56ef11bd6f962d5b4b1a206bf050a1933d70c7fc7500cb6b6

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
Signaturei2Koc97HSOryvLncgn94ZYy1gM2jQstbnH277oB5N3PZ0lQokti9HvGV+d9xGwYJUfX5HPnzxjWjRBTN58ZtDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:10:11.672432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007249
observed 7df3655a8622c0e1a9a1cf166208d14a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:11.660341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007249/manifest.json
observed 63edbcb466332fd56ef11bd6f962d5b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:11.647861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007249/publication.md
observed 62c7d69d658dfe7037e9d73017f03fd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:11.632950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007249/publication.txt
observed a706f12c5a81311294bec9f6a3269c96...
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.