OpenTechnical

OT-2026-000070204

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, vented 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-2026-000070204) never changes.

Identity and time

Publication numberOT-2026-000070204 · never reused
Internal UUID01a0ae91-1862-7536-ac20-332de0d85102 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070204
StatusPUBLIC

Content hashes

Canonical text38b63c3c0ffc701b6b20301bf07973502b6ae75b7ca6629657a099049755653d
Markdowna9f7363ebf4afe56e3db377bcc2164d2e3863e74de0be35e904e6122bd1e2c6f
PDF
Publication page823d1a212078d74cc590a64084ddbf42306c44e3dfbd20bc6d1b2254d43c829a
Manifest6ad629f2c93acae74efa98a482fddcf65bb64d247bf3a971fa5a9854220d0779

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
SignatureDcVDZgQddrKV9NHV4Rp19bCXJ2VbrN5yQCFKAnuAvTuP3do+2aBgCW4nTAbzn1I2A+slXC3HWe8vPE55el6mBA==
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

2026-09-17T10:27:15.634972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070204
observed 823d1a212078d74cc590a64084ddbf42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:15.617180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070204/manifest.json
observed 6ad629f2c93acae74efa98a482fddcf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:15.599852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070204/publication.md
observed a9f7363ebf4afe56e3db377bcc2164d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:15.583064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070204/publication.txt
observed 38b63c3c0ffc701b6b20301bf0797350...
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.