OpenTechnical

OT-2026-000034241

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000034241) never changes.

Identity and time

Publication numberOT-2026-000034241 · never reused
Internal UUID01a0ae75-df0d-7531-88f2-50ff62bb9c9e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034241
StatusPUBLIC

Content hashes

Canonical textf40d839a795b484907877bf29efdf5732a62852b3181d031296e08749f76e9ae
Markdownee27cbf5160f1cb12b9bfe0e737be4b01a09590a8e7f594d7436d387eb3230d4
PDF
Publication pageb9362b6853b12baf4819a614c8b6d6a84141793972fc75b3b5e1b1fc5a8c6d46
Manifestdb3afd550660feef6593ef06b54e5f8a766c5e7c13dd282a937a8c3bd55dde22

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
SignatureF7CNAqBqcuXGCewZJKICUAf/XdDNk/DZpAMW0q7GC5uri0oHwX7mMRfe4RAlJDDqh/q52vdTfaFHWb+xYpWJAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:30:47.751969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034241
observed b9362b6853b12baf4819a614c8b6d6a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:47.734890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034241/manifest.json
observed db3afd550660feef6593ef06b54e5f8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:47.709474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034241/publication.md
observed ee27cbf5160f1cb12b9bfe0e737be4b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:47.678913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034241/publication.txt
observed f40d839a795b484907877bf29efdf573...
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.