OpenTechnical

OT-2026-000026852

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, 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-2026-000026852) never changes.

Identity and time

Publication numberOT-2026-000026852 · never reused
Internal UUID01a0ae72-3452-7241-a48f-b995ec9b4b12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026852
StatusPUBLIC

Content hashes

Canonical textad16d27f77bb7ee960ce3568ee89e5a09609487d01fe440b828a05419b2cc971
Markdown817a4919e321b1f8e820bf2fa1822ae9082df9b3d3eba0d76026ba7e50a2077f
PDF
Publication page249371fcb9705c77ef5a6dfd100d86be3b1dbdfdbe55c4cd7938404b30e983c6
Manifest816b9a701fbe33a0f1a64f1bd5ad3cf5340daaa8e5ba76539c90647e7a3210a5

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
SignatureIXbqQwA56pUw8h7U87bznU+bJwtHI7S1dteEoFxcppEbJOIAURDVXgov5fVBX7HqM/D3y7k0slR5xi1l8JZdBw==
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

2026-09-17T11:43:26.950428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026852
observed 249371fcb9705c77ef5a6dfd100d86be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:26.930607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026852/manifest.json
observed 816b9a701fbe33a0f1a64f1bd5ad3cf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:26.910578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026852/publication.md
observed 817a4919e321b1f8e820bf2fa1822ae9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:26.874599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026852/publication.txt
observed ad16d27f77bb7ee960ce3568ee89e5a0...
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.