OpenTechnical

OT-2026-000012111

Publication integrity record

Foam pad vacuum gripper, three zone face, 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-2026-000012111) never changes.

Identity and time

Publication numberOT-2026-000012111 · never reused
Internal UUID01a0ae6d-39f4-7577-8f1d-ba8ef1de9128 · 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-2026-000012111
StatusPUBLIC

Content hashes

Canonical textee95865be13e0429627c28f503081121bfb30179430525dc9ec068b40e632230
Markdown67f10b195fb6f0f9503a9c8323300fc883859a638af6be90be163e75fcd74851
PDF
Publication pagedae6cc514f7efb76c3d9e3945282466c13e49f980835d79f5f28c291f244f8ae
Manifest52e0ce9963b7b8bcb5f30270832766ac18b6252d1c660597c3de6703cdac6f45

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
SignaturemGh1Yur4o3TWEr3eDy3GnB/eHGsBMw6ocnkiKF+s53LIOuVLTFevZ6e5pHJ/pJQh6EhfrIXEvhbY0i+hCmqRDw==
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

2026-09-17T12:10:59.426126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012111
observed dae6cc514f7efb76c3d9e3945282466c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:59.405853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012111/manifest.json
observed 52e0ce9963b7b8bcb5f30270832766ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:59.386222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012111/publication.md
observed 67f10b195fb6f0f9503a9c8323300fc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:59.367778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012111/publication.txt
observed ee95865be13e0429627c28f503081121...
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.