OpenTechnical

OT-2026-000104143

Publication integrity record

Three cup vacuum gripper, three zone face, 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-2026-000104143) never changes.

Identity and time

Publication numberOT-2026-000104143 · never reused
Internal UUID01a0aea5-341f-750b-b926-68eb1d9541db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104143
StatusPUBLIC

Content hashes

Canonical text92bccde3af5fda74a5b5a1cf7a794fb7fe96166a10ac1b479e3f7af147849b17
Markdowncebf490827177c7e47f8b26ec9c167f73f9ebb24fa4641e300e1f853f482cbf0
PDF
Publication pagea52a1099d2d2cdb10ce51b89a6f8f5df91d593fe9cdb195d74cde45aec335061
Manifestfad642826b60bc72f91de92f0e8874e2693a42a45cf2c8b3ac8fea479adf98fa

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
SignaturesTWB1d70ppz/c0mqhFeRL0p7wZmvuo9HVdBB51lYN3zmPSlICIaCzrwS2UjLXN+k/yyw9K81O3zgceNSEzFkDg==
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

2026-09-17T09:20:13.658551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104143
observed a52a1099d2d2cdb10ce51b89a6f8f5df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:13.641392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104143/manifest.json
observed fad642826b60bc72f91de92f0e8874e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:13.622540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104143/publication.md
observed cebf490827177c7e47f8b26ec9c167f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:13.604005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104143/publication.txt
observed 92bccde3af5fda74a5b5a1cf7a794fb7...
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.