OpenTechnical

OT-2026-000064775

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000064775) never changes.

Identity and time

Publication numberOT-2026-000064775 · never reused
Internal UUID01a0ae8d-deba-778e-a8e0-f59e6cb26334 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064775
StatusPUBLIC

Content hashes

Canonical textd8a442af4a4af793b4b7913a2fa54d2d3bb34ad1a32943093c77b7abdc4b8645
Markdownef6622d1bc271ed3460c3b9c22405a022e61f3798cb4e4918aa08446ec2794ee
PDF
Publication pagec9406e5a19ac82430ad663552b324fdbf71a57450d7165515277f5083405f331
Manifest9de5e7fc5f7f53d518144a9a5d4a8079782c8092f13fa5505ed5e3129da02cd4

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
SignaturehC8HZ2tSx6ncxCHnHtNsN9l4buJo8Lff0zHvfjRADyPixFg+ZxhM5fByCXzlmPqC9ATI8QrCh25VeO2VFu2jDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:35:39.826346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064775
observed c9406e5a19ac82430ad663552b324fdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:39.810770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064775/manifest.json
observed 9de5e7fc5f7f53d518144a9a5d4a8079...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:39.789893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064775/publication.md
observed ef6622d1bc271ed3460c3b9c22405a02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:39.771713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064775/publication.txt
observed d8a442af4a4af793b4b7913a2fa54d2d...
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.