OpenTechnical

OT-2026-000089942

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000089942) never changes.

Identity and time

Publication numberOT-2026-000089942 · never reused
Internal UUID01a0ae9c-428d-7835-a563-ce36da8621ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089942
StatusPUBLIC

Content hashes

Canonical textc16b1d4992a92658f741838a21913f48ca848009406a50d28479d5ce39cd26e1
Markdown97bf6866b0f6d7f2c9cde53178d5b0e9b6111b74011500686242bccd3f7b3378
PDF
Publication page69e6761a3f85f7b4db1922d0f117bf5a17e199c35c275566a157923245614a5b
Manifestd4f6713eb7dc252c4e45c170a311139a364f2d5262fe7e6c7faa4981d848f5f6

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
Signatureytdi5MocXIifRzFbh/gfm6Fr2EkrC4V2gbYg576+M1dujMCItx9Qt6Jb8P9R3kVC+6BfSg4TJB0JNFY87NjKDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:45:19.232006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089942
observed 69e6761a3f85f7b4db1922d0f117bf5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:19.213758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089942/manifest.json
observed d4f6713eb7dc252c4e45c170a311139a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:19.194093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089942/publication.md
observed 97bf6866b0f6d7f2c9cde53178d5b0e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:19.174209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089942/publication.txt
observed c16b1d4992a92658f741838a21913f48...
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.