OpenTechnical

OT-2026-000041260

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, pulsed blow-off 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-2026-000041260) never changes.

Identity and time

Publication numberOT-2026-000041260 · never reused
Internal UUID01a0ae79-b143-76f5-9f4f-c07de1988270 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041260
StatusPUBLIC

Content hashes

Canonical text19894846bb2b37190d19ccb313e9dd41754a9e66f43711d4e44a8e59371463e8
Markdown0715665884ed41f284b8989055dc13e671e9d4df49124db9f93682a0e148a0f7
PDF
Publication page533aebbfeab697eba2e3d90a74fe456c325c545aa3f114181d72d41b92c91254
Manifest1e4b92e5e97bd1530775fd061422caea29cd68d9dd304eaada5b305c6b5b3ce2

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
SignaturevcsnPozdwXGPiE6BEvnZBk9xHKE4fenw/XABZHQr6wFEFTdmYSeLmdWSowM69LN0cJERP2iBRaoiemovriAhDg==
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

2026-09-17T11:17:13.953117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041260
observed 533aebbfeab697eba2e3d90a74fe456c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:13.933006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041260/manifest.json
observed 1e4b92e5e97bd1530775fd061422caea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:13.915129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041260/publication.md
observed 0715665884ed41f284b8989055dc13e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:13.896986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041260/publication.txt
observed 19894846bb2b37190d19ccb313e9dd41...
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.