OpenTechnical

OT-2026-000071292

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000071292) never changes.

Identity and time

Publication numberOT-2026-000071292 · never reused
Internal UUID01a0ae91-e0ec-7258-8bb2-a06655f87040 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071292
StatusPUBLIC

Content hashes

Canonical textcb132771ed46af7ee5d61b0a087589c6d013280a81074307246125f6c4f53688
Markdown94375325ba933c621feafa426a3280ba5b0e7e08513b0985973bb9c95bf0aa05
PDF
Publication pageffd76b799d675069edfae7a82e2d41f24c8fe2e98f8d3e85c0fd27730a4dce1d
Manifest486d6c122cfdc8e4ccc0bffec425370f56af875fdca749a76122af8ca24e07c1

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
Signature5GY/qeCUZD6ZhPe1Y8XsIONU74iCv9cc33n8/srcQlP/hP28iIZJK41zT8xK219g/dWH0gQsFF6PaIAmXZ7iBw==
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

2026-09-17T10:24:51.347144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071292
observed ffd76b799d675069edfae7a82e2d41f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:51.329598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071292/manifest.json
observed 486d6c122cfdc8e4ccc0bffec425370f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:51.311032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071292/publication.md
observed 94375325ba933c621feafa426a3280ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:51.291915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071292/publication.txt
observed cb132771ed46af7ee5d61b0a087589c6...
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.