OpenTechnical

OT-2026-000067555

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000067555) never changes.

Identity and time

Publication numberOT-2026-000067555 · never reused
Internal UUID01a0ae8f-6bda-70d6-a4d8-d850ec916d15 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067555
StatusPUBLIC

Content hashes

Canonical textfcb1748e9757c0eb6547f4783e0669580f57669f60cb1a2ce07f57a71f233639
Markdown9ae5bfd9e2b002411d47c93147abd3d2e63ceb2a086c3d9d1385c014bb8d5da6
PDF
Publication page535690799c62e52d5c2410c961368465180452a8ca7544bbd03fda192f99bfd0
Manifest4baf47355e354aba1cf8ff9c9045794513eb94b25e3d09717926c5916f4e92ec

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
Signature4fLSw9v0sI981f60b6/Sv0TkVdo/jne9FEQl+gNlhx8v+yjl9q2a37U7bwaO6bI7SH8gcEpZF7KDgbdKf6ccAg==
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

2026-09-17T10:31:51.775281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067555
observed 535690799c62e52d5c2410c961368465...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:51.757944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067555/manifest.json
observed 4baf47355e354aba1cf8ff9c90457945...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:51.740752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067555/publication.md
observed 9ae5bfd9e2b002411d47c93147abd3d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:51.723129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067555/publication.txt
observed fcb1748e9757c0eb6547f4783e066958...
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.