OpenTechnical

OT-2026-000103688

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single 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-2026-000103688) never changes.

Identity and time

Publication numberOT-2026-000103688 · never reused
Internal UUID01a0aea4-e462-76ae-8651-d892062f3afc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103688
StatusPUBLIC

Content hashes

Canonical text68a3d2368d774b953761b3be98bde9177c1ee596afaed588565022937e173f32
Markdownca6109c5812a81715ddd38455e8aa83deef6b3bacfa4c28cb0d13893052c7b5d
PDF
Publication page3f2de3af1804bf6a327b208f1768508324961d3e83dcc3b7d0561d456e8a70d3
Manifestb21c099462c96bb4478b8dfe6f80c4760c075775edfff816f6c233fd9ad65df1

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
Signaturegln6yIhPGSYuL3AtNUZvUY2fai7RKT5EgrZZpq9MmCYoNPI5baYW6dmUEkhDkmxn5zUJRsj4JyUNUguAoZLOAg==
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

2026-09-17T09:22:29.567063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103688
observed 3f2de3af1804bf6a327b208f17685083...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:29.551929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103688/manifest.json
observed b21c099462c96bb4478b8dfe6f80c476...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:29.536144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103688/publication.md
observed ca6109c5812a81715ddd38455e8aa83d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:29.519656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103688/publication.txt
observed 68a3d2368d774b953761b3be98bde917...
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.