OpenTechnical

OT-2026-000013576

Publication integrity record

Single bellows cup vacuum gripper, pump fed, pulsed 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-2026-000013576) never changes.

Identity and time

Publication numberOT-2026-000013576 · never reused
Internal UUID01a0ae6d-6fcb-7f47-806e-7d07ceb0f656 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013576
StatusPUBLIC

Content hashes

Canonical text482b5b09677af5f7515f20dee5437d30189ce661a41aad29f81097f9668b35a1
Markdown2723204e6e99466681e1ce63755eb6ecda4509a47b6ed6e09c8258f2efdc3d47
PDF
Publication pagecf17c89fabea7931c6ddd0f22133af59c2f2afabe84c8b3d17067b192fd368df
Manifest52f15a374b4862b4ceec4c1a2d68599368413741caaa8f476b41f1a9d362c7e4

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
SignatureeVPDTXcYBzqRYtp0I0iQms6u/SDuEcANyCRfnOnDZh0NjGvrXQ4W4Xajd6GZ9dnzpLNVK6nrjlNzoBFhpY2yCA==
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

2026-09-17T12:10:07.359578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013576
observed cf17c89fabea7931c6ddd0f22133af59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:07.341949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013576/manifest.json
observed 52f15a374b4862b4ceec4c1a2d685993...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:07.323921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013576/publication.md
observed 2723204e6e99466681e1ce63755eb6ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:07.303461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013576/publication.txt
observed 482b5b09677af5f7515f20dee5437d30...
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.