OpenTechnical

OT-2026-000046251

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, single stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000046251) never changes.

Identity and time

Publication numberOT-2026-000046251 · never reused
Internal UUID01a0ae7e-57ca-772a-9574-0695cfcae2c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046251
StatusPUBLIC

Content hashes

Canonical text4e1eddc58d58debcb22741bf332d4a394daf05fe3177dbe455655ad67bd140ca
Markdown61f38746ea518b28506091f982d5ef4e70b6c415056d1a8000434b741270f9d5
PDF
Publication page1f954908cc202fb530423ce80c98bed0c33cebc0fefd1312fcec9426f8fff38a
Manifest68ba8380fe8792706ac6bd8814b1e591dc25ef06560c2044e2cf6791fda0d2a6

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
Signature50G2AVz95Dc2XWwP3EJzTfwAWy5eVxJf4TXZDr6/QgCXRBdvn6gtQVJ2hMokQWjFI1JJjvZeX3uRtHAOa8TxBw==
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

2026-09-17T11:08:06.326604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046251
observed 1f954908cc202fb530423ce80c98bed0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:06.308226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046251/manifest.json
observed 68ba8380fe8792706ac6bd8814b1e591...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:06.288167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046251/publication.md
observed 61f38746ea518b28506091f982d5ef4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:06.267490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046251/publication.txt
observed 4e1eddc58d58debcb22741bf332d4a39...
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.