OpenTechnical

OT-2026-000046715

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, pressure sensor per zone, 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-2026-000046715) never changes.

Identity and time

Publication numberOT-2026-000046715 · never reused
Internal UUID01a0ae7e-57df-733e-8a86-0193bd267c44 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046715
StatusPUBLIC

Content hashes

Canonical texteae3016e9e9e9287e1a734db1481b92c34b73244b40cacbdbda28058367bab02
Markdown74de7bb13cfccef00c2beef2147581ff8ba9563137a19f3531d73cb50a8168eb
PDF
Publication pagefcae8ce3b39ad6279c24cf4637cdc051a4f2535a560af628b6da2e477a185a13
Manifest37b6e1bab9e8e22ec1c52be26c6fa05ee829ea88ce1528b2d2fac3ed422b1335

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
Signature1vGLa8WOHpKrk0xEixoOHJYdSf0Ue59Ei7sxfp6nivwRNsLHWR+qqFr83nfJXNmhWPV6KxL/KkzirQbRimthCQ==
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

2026-09-17T11:08:56.250053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046715
observed fcae8ce3b39ad6279c24cf4637cdc051...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:56.231797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046715/manifest.json
observed 37b6e1bab9e8e22ec1c52be26c6fa05e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:56.212085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046715/publication.md
observed 74de7bb13cfccef00c2beef2147581ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:56.192672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046715/publication.txt
observed eae3016e9e9e9287e1a734db1481b92c...
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.