OpenTechnical

OT-2026-000011495

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, vented after 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-2026-000011495) never changes.

Identity and time

Publication numberOT-2026-000011495 · never reused
Internal UUID01a0ae6c-88ff-7438-b90d-f8d8394f9709 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011495
StatusPUBLIC

Content hashes

Canonical text9ad6f567dc431d547335ecde9a9300a3972aae73faeedc4de5982586670595b6
Markdown0cf26c9e19eb26c52d802d7127fefbca8e5cc79a596a34fa25d7b80a5f40af8c
PDF
Publication pagecff368b1d6a9812c04f615f0f6b4bf6256aff3c18fd59c20d6272e985f1b0793
Manifestdc8297d986686ae3bb7ceb4e0563cc027f62e79df71d6f3014d2ee5ea9d6ae48

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
SignatureBIVu3/RyoArZ3+Hr8vH4XFlfn3qqZnCZ6IYFZVlz5G75ZSyVzic+Tch5k5FD6wTOjIzmbdDDgqoNkFe0bV6WBg==
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

2026-09-17T12:13:16.292188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011495
observed cff368b1d6a9812c04f615f0f6b4bf62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:16.268682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011495/manifest.json
observed dc8297d986686ae3bb7ceb4e0563cc02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:16.247316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011495/publication.md
observed 0cf26c9e19eb26c52d802d7127fefbca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:16.225112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011495/publication.txt
observed 9ad6f567dc431d547335ecde9a9300a3...
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.