OpenTechnical

OT-2026-000015835

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two 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-2026-000015835) never changes.

Identity and time

Publication numberOT-2026-000015835 · never reused
Internal UUID01a0ae6e-0c4c-714f-a9d4-fc420d1088c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015835
StatusPUBLIC

Content hashes

Canonical textb809920ccd0ec1c63a11e875f0d76794a41b7f47388bdd91b43f751413c8f0a3
Markdown189f0904e403076fcdac84a51ea9ebddbf57cd8db885a728661ece68d808cd90
PDF
Publication pagee9258cdf65c3d23d56c684dd8200feb48525bc2484ffe096c59b4efb81e67b39
Manifestc7219499fb30138b401333b2ecbf3ba2ceec3b3cf9f9606a877515af29dc6fbd

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
SignaturevCD+Ha8ZKrqTBK7cZ4s/HgoXgvI0+8meo88+iuhBC7TIi8LgIBHd25fDvcqiqUgr5XZ3uRZ0AOOcSe+tYWmXDg==
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

2026-09-17T12:05:09.348206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015835
observed e9258cdf65c3d23d56c684dd8200feb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:09.331494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015835/manifest.json
observed c7219499fb30138b401333b2ecbf3ba2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:09.315386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015835/publication.md
observed 189f0904e403076fcdac84a51ea9ebdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:09.297604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015835/publication.txt
observed b809920ccd0ec1c63a11e875f0d76794...
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.