OpenTechnical

OT-2026-000089355

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two 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-2026-000089355) never changes.

Identity and time

Publication numberOT-2026-000089355 · never reused
Internal UUID01a0ae9b-db01-7baf-b5c7-25ac636b6bdd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089355
StatusPUBLIC

Content hashes

Canonical text0d075be31996c75d3b00d9f1143c02aa6ce5105f7df5693c941227d38566b21e
Markdowne5e6840786ad364199b00653e61e32d4b64eb442dcbcf621b0a862640c34f6c4
PDF
Publication page592d70fd50bea06021c6c53607ced4ac39f981be23d0ac5406db3c04ce353202
Manifest7968bd26778e1b701a061fff341be38fca5284d6f91169794f4d19ffacfa7244

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
SignaturetM2yJWi7Z9iyEWrjh7wePK0uV2XkHV7DRjNewwdgFa42arsvesXWOv9Bkyt5rzN7gUabhRFTm/y4rzfA1CkxBw==
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

2026-09-17T09:47:24.782527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089355
observed 592d70fd50bea06021c6c53607ced4ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:24.765665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089355/manifest.json
observed 7968bd26778e1b701a061fff341be38f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:24.749079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089355/publication.md
observed e5e6840786ad364199b00653e61e32d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:24.732041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089355/publication.txt
observed 0d075be31996c75d3b00d9f1143c02aa...
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.