OpenTechnical

OT-2026-000012372

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000012372) never changes.

Identity and time

Publication numberOT-2026-000012372 · never reused
Internal UUID01a0ae6d-39f6-7235-ad44-58af0b75f51a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012372
StatusPUBLIC

Content hashes

Canonical text9f5c266de4935fb24dd166030fe0e22679d53595301589f0c4ec62974f301882
Markdown0bafbcc7c8aae0731e653f9e62b6b18694d39958d39135500869984da4c90363
PDF
Publication pagef46daff348f4be0d6246886c52563781f118f9442b1001e7779603a308d8d8b3
Manifestbba2b4f1747d143c741a91fbb7969cd4de6a3d5f5e9576169349fdaa5f4c3f1d

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
Signaturet3bZ+k8n8W+QwQhrpRwGXrTL4LgaWQyYCEf/7QTibFvHdkXTBN6wCB9oCLDBwbbszX7tkPMLzIPV7W8GSdDRAQ==
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

2026-09-17T12:11:51.494720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012372
observed f46daff348f4be0d6246886c52563781...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:51.477012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012372/manifest.json
observed bba2b4f1747d143c741a91fbb7969cd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:51.460722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012372/publication.md
observed 0bafbcc7c8aae0731e653f9e62b6b186...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:51.442372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012372/publication.txt
observed 9f5c266de4935fb24dd166030fe0e226...
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.