OpenTechnical

OT-2026-000067080

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000067080) never changes.

Identity and time

Publication numberOT-2026-000067080 · never reused
Internal UUID01a0ae8f-14fe-75b1-98cc-8f99a7409f76 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067080
StatusPUBLIC

Content hashes

Canonical text839352d0bb642c28875a9c151237d5ccdaffdb97ec9eafc3bae7f778c1127d6f
Markdownf3411dcde0ea08d583fc3c5a2bd75c1b0075968829cb44ccc0f47834dff88a9d
PDF
Publication page8cc8fa99bec97e4f7d6d33cdbafef6a3a44aa23efaa0d5e5af7b3c26c7bcca59
Manifest85878c956ed364a45554c80e60131ae4e7dcb2b2a23d63c7ab037b8718b18be3

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
SignaturelS26zfZx2m9l2iuuVdykRaZzi6ZrgDFfqsuTgIQPttl6DMoGyoi27s+Tv7rdTS4gliU+9zaghwmAMXAcgZeLBA==
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

2026-09-17T10:32:20.575292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067080
observed 8cc8fa99bec97e4f7d6d33cdbafef6a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:20.556954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067080/manifest.json
observed 85878c956ed364a45554c80e60131ae4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:20.536474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067080/publication.md
observed f3411dcde0ea08d583fc3c5a2bd75c1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:20.516830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067080/publication.txt
observed 839352d0bb642c28875a9c151237d5cc...
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.