OpenTechnical

OT-2026-000018767

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two 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-2026-000018767) never changes.

Identity and time

Publication numberOT-2026-000018767 · never reused
Internal UUID01a0ae6e-d521-793c-aa54-3ecc380a7fdb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018767
StatusPUBLIC

Content hashes

Canonical text87241166c4e9405f3141da805c1ae38fa1d743777808752cd0e643666da7ced4
Markdownb9a7c3f2ab8e29e5d2954e8a2e64bbb1fe9030d00467b724b9b839e118996308
PDF
Publication pageefd2945c8a7bb09e5c6f405fb7438037c515b9e2d0183de5b49a4d9ae818d40e
Manifest07e0feac1949753412a35bcd774ff86265192c18e077aed2148e78af480e69ef

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
SignatureCRvu7UBHwbUagt9emJn3jPEeJc5alPgH4c7Ggg5Z+4EJPZV06cFKhuGR5F/OWNI+dQyjzyw7u1oD8ri3hxc/AA==
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

2026-09-17T11:59:23.224975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018767
observed efd2945c8a7bb09e5c6f405fb7438037...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:23.206777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018767/manifest.json
observed 07e0feac1949753412a35bcd774ff862...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:23.189173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018767/publication.md
observed b9a7c3f2ab8e29e5d2954e8a2e64bbb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:23.171892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018767/publication.txt
observed 87241166c4e9405f3141da805c1ae38f...
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.