OpenTechnical

OT-2026-000011612

Publication integrity record

Foam pad vacuum gripper, single stage ejector, pulsed 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-2026-000011612) never changes.

Identity and time

Publication numberOT-2026-000011612 · never reused
Internal UUID01a0ae6d-193f-7df3-af26-a4c363931c63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011612
StatusPUBLIC

Content hashes

Canonical text127013e0fbb2042c25f282d98dd042101e6b95bce3a643328ab5d75a5e451305
Markdown6f3ac119bb765f9d962e77058d5fc50aa2c87a15518ecaed8ec8cd5523a49882
PDF
Publication page7a5c6246fd5ddb9e9a6bf8c74d8a18e8406a736645a3a0ed67de16de428160d9
Manifest29ae329dda16a0e213e4009904258618946edb3cc4ba26432405d609eeeb6a35

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
Signature7lUjYqViWbqCVBZBNmfIcdgRf4iwS1H5B2+pxTtD3q1+gqYmTiCAfHyqO+U/7Jgn4luZl00SA8+L7/NwODKgAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:12:11.534321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011612
observed 7a5c6246fd5ddb9e9a6bf8c74d8a18e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:11.514388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011612/manifest.json
observed 29ae329dda16a0e213e4009904258618...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:11.493884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011612/publication.md
observed 6f3ac119bb765f9d962e77058d5fc50a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:11.474071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011612/publication.txt
observed 127013e0fbb2042c25f282d98dd04210...
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.