OpenTechnical

OT-2026-000089933

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000089933) never changes.

Identity and time

Publication numberOT-2026-000089933 · never reused
Internal UUID01a0ae9c-428d-7659-b7e7-2cb3f117a1b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089933
StatusPUBLIC

Content hashes

Canonical text45ad86bd22e7c089fd0ed99eee9379121039dcd85e4b81fad550df9f97c54c2e
Markdown47a194d722c620e41d45541ff053b29f8b410dc0fa9e1dff43801054a7d76b90
PDF
Publication paged2ff4ef16de0cd6bf4921b6b6074253908ac36f1a1bfc42ad1a6dff693432bdf
Manifestc221d35dedb1711c1d27aed8c1fc26f7eeb41d7701f1071d1f1a4f3c4d143521

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
Signature9d9iNRBVmgwzX5Vow9Q707seoxNi+fCjn1v+7dmECW7Cabz2i/+8T6zbGuZQZo8GFCtfCMF41IyD0TH1FUrXBQ==
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

2026-09-17T09:45:12.733762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089933
observed d2ff4ef16de0cd6bf4921b6b60742539...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:12.717726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089933/manifest.json
observed c221d35dedb1711c1d27aed8c1fc26f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:12.700695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089933/publication.md
observed 47a194d722c620e41d45541ff053b29f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:12.682861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089933/publication.txt
observed 45ad86bd22e7c089fd0ed99eee937912...
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.