OpenTechnical

OT-2026-000046779

Publication integrity record

Three 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-2026-000046779) never changes.

Identity and time

Publication numberOT-2026-000046779 · never reused
Internal UUID01a0ae7e-d0f4-7ceb-be3b-8073d5ae4f16 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046779
StatusPUBLIC

Content hashes

Canonical text0bdd9e06e8158138ceea65fc68850dc4b7247563ea1139433447f45a56bb7df0
Markdownc401efc0a31878669c9782118328497455334476e256052e6cd28883e37f8599
PDF
Publication paged35d71b981e8c0bbffb660400561edadceb9b9c5943089a0cc9203c99261b4b1
Manifest7388a5447e32f04c5b009a5c8ca9367a51bb1c296acec0e1d25e577907427d6c

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
SignaturevuAFyBQgyvunjTn6qH/ij6nUSwxb3UsxpsDpo4GJgsIS63ZLSHkDmqR9uRmRDoP+kWqYTE2jofjwEwZ5o+NACA==
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

2026-09-17T11:06:51.141633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046779
observed d35d71b981e8c0bbffb660400561edad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:51.123218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046779/manifest.json
observed 7388a5447e32f04c5b009a5c8ca9367a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:51.106388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046779/publication.md
observed c401efc0a31878669c97821183284974...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:51.087983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046779/publication.txt
observed 0bdd9e06e8158138ceea65fc68850dc4...
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.