OpenTechnical

OT-2026-000083273

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three stage ejector, 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-2026-000083273) never changes.

Identity and time

Publication numberOT-2026-000083273 · never reused
Internal UUID01a0ae97-c963-71b4-8ed9-a8d589e5825d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083273
StatusPUBLIC

Content hashes

Canonical text67917f43490a4dfafbbee882a0ebdef960dd5829ad46bf5a18d5fb3fbd444dc5
Markdown322ede48eaea7dd275f0a87004d3e032df59c0d0eb9a02debea8cb609780a85f
PDF
Publication page857429b6cc9e71fce5ae8044ab64d50daab0f75b8e19742fec5b093d203a56a4
Manifesteed1144cae5688e17039735256c9c6b58a89fa398deee48628a546db54bd9924

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
SignatureaqZ1onXBTYOZBnbQDhu6l61QWhhc7f3DM7T+VX60GHglUZWfRJhqMGIzY6/mJBnk7ImbFxpW6XPGpEg1A3qZCg==
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

2026-09-17T09:01:22.651587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083273
observed 857429b6cc9e71fce5ae8044ab64d50d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:22.635752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083273/manifest.json
observed eed1144cae5688e17039735256c9c6b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:22.617561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083273/publication.md
observed 322ede48eaea7dd275f0a87004d3e032...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:22.599631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083273/publication.txt
observed 67917f43490a4dfafbbee882a0ebdef9...
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.