OpenTechnical

OT-2026-000006244

Publication integrity record

Bellows cup vacuum gripper, three zone face, ejector fed, sustained blow off after set down

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-2026-000006244) never changes.

Identity and time

Publication numberOT-2026-000006244 · never reused
Internal UUID01a0a954-3495-7241-97f3-5d16c5039c81 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:27:43.128482Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006244
StatusPUBLIC

Content hashes

Canonical text6063d70640ee36f811cce04959ac664c23d7324c362827e685819c6e27611768
Markdownd4bcccb7dcb568ff7bc68349db896d3255cfbe060ce49c339212998df3fe9d9c
PDF
Publication page02409aba69bdea277022e6be7cd6a1fdd8cc1c58b232e8fb61e3834cb971446e
Manifestbf78bac650de6abe353ddcd075f9a090c51f4f4fb3825ed1e7787e2f25edc951

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
Signature5W4gP2y7sPQGpJYlmJ7ccthRUxBqzIhPxRobxH4qNgj8IHfsXxhKZsQDqupcNII9rBN4Eofxg6nVDgNhoiNsAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:30:10.728509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006244
observed 02409aba69bdea277022e6be7cd6a1fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:10.712843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006244/manifest.json
observed bf78bac650de6abe353ddcd075f9a090...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:10.691707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006244/publication.md
observed d4bcccb7dcb568ff7bc68349db896d32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:10.676967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006244/publication.txt
observed 6063d70640ee36f811cce04959ac664c...
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.