OpenTechnical

OT-2026-000102790

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three 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-2026-000102790) never changes.

Identity and time

Publication numberOT-2026-000102790 · never reused
Internal UUID01a0aea4-858c-71ff-91cb-19cce0a04833 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102790
StatusPUBLIC

Content hashes

Canonical text4985a90ec35bf4f4a5fee5ddf3edb3cc1724aa015731090540c5ab50b494d181
Markdown214e5ca3d99b1c2f99f8cc6752fe34ef163ef7439354e75011c6dd676ea0c21a
PDF
Publication pagea6884e3f6b7ccda44dd74c7a982c1fd0034ee4e7407558d8a84e4a447781652b
Manifest1943702000d00fe5778c42265899e10e9bf65141073bef5a6a2a7df4361d064c

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
SignatureYSH4TJ5mu2ozlVTAOxk2nXXh6I1NcV+p58pFku8iQeLTQNtvj/xpWS0QD0O/RnKQymqx05E98Ggog/KkT4WmAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:19.095359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102790
observed a6884e3f6b7ccda44dd74c7a982c1fd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:19.076144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102790/manifest.json
observed 1943702000d00fe5778c42265899e10e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:19.057989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102790/publication.md
observed 214e5ca3d99b1c2f99f8cc6752fe34ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:19.039101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102790/publication.txt
observed 4985a90ec35bf4f4a5fee5ddf3edb3cc...
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.