OpenTechnical

OT-2026-000056927

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000056927) never changes.

Identity and time

Publication numberOT-2026-000056927 · never reused
Internal UUID01a0ae87-7af9-7055-8341-ae43524c7d0f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056927
StatusPUBLIC

Content hashes

Canonical texta8b551187adff42ec2f2dbfdc8091bdbe408a6da7a63d2f18420a1e9e5104263
Markdown8f60f75062660db82e714baf5aa977e48a2da3e09b68f01ebe91637a0a110934
PDF
Publication page70911ad0600d1f6e0db12caeef306e268f323dd472a06b4af305e359bee7b3dd
Manifest4609cc10fb74c4474bf05fbf750cbaae8c5d95fcc57c7596be18c3df4a741d12

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
SignatureMJGCHR3XjzAiQXOYBHgbQx5vwlFfAzJ8O9mNepTnmkiG4hXUc1nuSGV//cYqvtMr9oNMdQupldcW4bkrGCIUAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:28.503735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056927
observed 70911ad0600d1f6e0db12caeef306e26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:28.485424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056927/manifest.json
observed 4609cc10fb74c4474bf05fbf750cbaae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:28.467714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056927/publication.md
observed 8f60f75062660db82e714baf5aa977e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:28.449146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056927/publication.txt
observed a8b551187adff42ec2f2dbfdc8091bdb...
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.