OpenTechnical

OT-2026-000042701

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off 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-2026-000042701) never changes.

Identity and time

Publication numberOT-2026-000042701 · never reused
Internal UUID01a0ae7a-c0cf-774d-954d-6682e79590fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042701
StatusPUBLIC

Content hashes

Canonical text3e7671783162a188dcec2a36d0200db8b0c46bc71c4a3285c42d32e672a4da07
Markdown2dd0ce25d600b506410e480e72d5b043f98028a5e45bfab1ad8af4f03b3cba7b
PDF
Publication page520011fa01c00eb3ea80a7d056ee892086b914ac92a369ab613a81d7a3726f10
Manifesta6f38d8bb1893f786792deb9b8387d1e0dabf9e8c0f96b2d504c613d7328ae23

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
SignatureNwlGzPVMNMDy3v2IjK7/3BRg1EaaW7gRO++9KPd0djyRM8QNw8ilx2qPU+4s0HN+oh0BilTbPk2rqIWd468cDA==
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

2026-09-17T11:15:03.614015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042701
observed 520011fa01c00eb3ea80a7d056ee8920...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:03.595512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042701/manifest.json
observed a6f38d8bb1893f786792deb9b8387d1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:03.578114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042701/publication.md
observed 2dd0ce25d600b506410e480e72d5b043...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:03.559371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042701/publication.txt
observed 3e7671783162a188dcec2a36d0200db8...
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.