OpenTechnical

OT-2026-000030142

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000030142) never changes.

Identity and time

Publication numberOT-2026-000030142 · never reused
Internal UUID01a0ae73-e4ff-75ff-9bf6-7c80a98ad708 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030142
StatusPUBLIC

Content hashes

Canonical text77f9333fdd497ca78a675d6289126cc76233d41faeb8878927bbe55396fe4462
Markdown08924f97463efec707b605e249cc3f45cf18fba1a3b8193379e0705bb43646b9
PDF
Publication page5981b848d26185f6f5277f4763b94a3b50946cc0999541ff1daed1ef6d95da00
Manifestcadb2ece93d6a92422d4f6d58b61bbcce2bbdde1e5afc87943705c926aa41d0f

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
SignaturegJlH6YqRb+e/mUm/N/+YeKn+LAxctJLyb6/1LKPo0eYSau6dAZYc6bEyUp3hKZALKgHRIBV+jPbYn80HqKz+BA==
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

2026-09-17T11:40:23.108788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030142
observed 5981b848d26185f6f5277f4763b94a3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:23.092638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030142/manifest.json
observed cadb2ece93d6a92422d4f6d58b61bbcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:23.074663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030142/publication.md
observed 08924f97463efec707b605e249cc3f45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:23.057039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030142/publication.txt
observed 77f9333fdd497ca78a675d6289126cc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:46.090131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030142
observed 5981b848d26185f6f5277f4763b94a3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:46.072998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030142/manifest.json
observed cadb2ece93d6a92422d4f6d58b61bbcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:46.057297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030142/publication.md
observed 08924f97463efec707b605e249cc3f45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:46.040453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030142/publication.txt
observed 77f9333fdd497ca78a675d6289126cc7...
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.