OpenTechnical

OT-2026-000084560

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, 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-2026-000084560) never changes.

Identity and time

Publication numberOT-2026-000084560 · never reused
Internal UUID01a0ae98-e25b-79b5-b5ca-648d8cd4fb52 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084560
StatusPUBLIC

Content hashes

Canonical textc5af046a5e433742fb3ab5ee44362db01bd62b4984237bb1392cfd2e6afad2ec
Markdownf75a9f324fcee776f4448fabaf39942ec763db8b53ba287699437cbf1e99b2e4
PDF
Publication pagefe2ff9e5e963cc53a257c6c5c96d5b7cd06d66c53dbbe279f67f5466fb3983b7
Manifestded5c9ca9cbeaefd23379e954bc09c20f86add4eeb882a5a96d16571682bd7e5

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
Signature5o+acy+AFf1MA2YZ1tiyaAxr7jWdhF/Yn9IhNwCYsvvZ7BkzBoT4DVk83XT5vI8FuUinC7Ik8b6oBtC9FIKRBQ==
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

2026-09-17T09:55:27.261957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084560
observed fe2ff9e5e963cc53a257c6c5c96d5b7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:27.245197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084560/manifest.json
observed ded5c9ca9cbeaefd23379e954bc09c20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:27.227584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084560/publication.md
observed f75a9f324fcee776f4448fabaf39942e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:27.209892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084560/publication.txt
observed c5af046a5e433742fb3ab5ee44362db0...
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.