OpenTechnical

OT-2026-000010509

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, vented 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-2026-000010509) never changes.

Identity and time

Publication numberOT-2026-000010509 · never reused
Internal UUID01a0ae6c-0ee7-747d-95af-a25a9fffbe01 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010509
StatusPUBLIC

Content hashes

Canonical text8e495a297b2d4429dc888fb5cca0272e48282f599f1f97d8df6012c131611348
Markdown429b9bb6921694b78f78589fa8feb7664c4e00b9965f379f9bc0d7f930887f49
PDF
Publication pageeaf0af4bd7beaf32ce464de6226556bb9eaea3077ee86965fc74ec2ca69b0a69
Manifestde6a0561ac631b11954a450dd9b82517a7cf3cd5233dfb61d4850cb61e554538

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
Signaturel/+cPk7rV5zNJtJxqAeV1o+5tGLK73eigocHc7UXA5U3BwWRXLDyQvOI7+WdhTRnWeJZBXHPE5tshMWqDUd7CA==
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

2026-09-17T12:14:39.910414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010509
observed eaf0af4bd7beaf32ce464de6226556bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:39.892786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010509/manifest.json
observed de6a0561ac631b11954a450dd9b82517...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:39.874840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010509/publication.md
observed 429b9bb6921694b78f78589fa8feb766...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:39.855488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010509/publication.txt
observed 8e495a297b2d4429dc888fb5cca0272e...
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.