OpenTechnical

OT-2026-000046731

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-2026-000046731) never changes.

Identity and time

Publication numberOT-2026-000046731 · never reused
Internal UUID01a0ae7e-d0f3-7dc6-b126-246e32ffefb0 · 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-2026-000046731
StatusPUBLIC

Content hashes

Canonical text289f1cd3b04169b57c3ee66e3f25b07e4db9df4401514e4a68ae0a2132554648
Markdown56abb7dddb7b814a5bc3dee3e768e64a4fbf50cfb64b22c0a41e21cd0d2addc6
PDF
Publication page3cb16e4ef1cb5ed20303f3b370f37e0fa045cfecaee000b4e2b0aaa601c3a238
Manifestc59ce5e5553f27d51cb3a5eef14d877fcc651083d4a03ce705daedefdf9bdbf4

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
SignatureEcDzNb71Ecc6Bb49CYJOdo6aTs0TmABrzlg9HSf9DFpQU8wBLi1Nf5oJSneV1ZRcZBXW3G5+z2rFcykfTyfJCg==
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

2026-09-17T11:06:47.437092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046731
observed 3cb16e4ef1cb5ed20303f3b370f37e0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:47.419449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046731/manifest.json
observed c59ce5e5553f27d51cb3a5eef14d877f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:47.402176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046731/publication.md
observed 56abb7dddb7b814a5bc3dee3e768e64a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:47.384034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046731/publication.txt
observed 289f1cd3b04169b57c3ee66e3f25b07e...
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.