OpenTechnical

OT-2026-000085639

Publication integrity record

Two cup vacuum gripper, two zone face, plant vacuum fed, sustained 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-2026-000085639) never changes.

Identity and time

Publication numberOT-2026-000085639 · never reused
Internal UUID01a0ae99-aaad-70cb-b26a-6e16ce4500a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085639
StatusPUBLIC

Content hashes

Canonical text532ae412b2bd38c0c718cf074cfbbda005415a3e55c5f2c3fad3ad627546f8b5
Markdowna2e4a6cccd70145da8b5b52d7acd082f0214048a0e878da168efeaf70d971084
PDF
Publication page2e0cf762e3a9a3cc8f35c9bc0f881d1cb1f9fd8a901344f196e847f21595c239
Manifestd0ee7113771dc34548f52a033f5ee520d165472853fcffc63470e1f4f83e4e32

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
SignatureIJq04y6IW1IbqfuWoT1BdkzY2jLhAl9XKAZ8r6WWaUDbO3jx9R80EmLJJcI+9DKeiiPQzGN/IYe4Q5XFN2XCBA==
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

2026-09-17T09:54:31.514363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085639
observed 2e0cf762e3a9a3cc8f35c9bc0f881d1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:31.494669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085639/manifest.json
observed d0ee7113771dc34548f52a033f5ee520...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:31.474491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085639/publication.md
observed a2e4a6cccd70145da8b5b52d7acd082f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:31.455765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085639/publication.txt
observed 532ae412b2bd38c0c718cf074cfbbda0...
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.