OpenTechnical

OT-2026-000089442

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three 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-2026-000089442) never changes.

Identity and time

Publication numberOT-2026-000089442 · never reused
Internal UUID01a0ae9b-db02-70f4-83bc-4d1c58bdfa56 · 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-2026-000089442
StatusPUBLIC

Content hashes

Canonical text39d83fe26c6b62d2e20fa2e19729280ed5694cf35e7f35991551bc1d037f66f0
Markdown7de1fdacfc5fcbf3588726b05c34d21cdf06606b3fc3782f771e6dc41f5a93a5
PDF
Publication page6a661b2711099869b9b69c9b863980b07268000c02559f30b81e3e2a0f1b25d7
Manifeste1532efb34e8ff7ff2eb06de0bd8914c225e8aed5731620c493ad7ccf96adf2e

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
SignatureNWTHzIEEyzZCfpOUIPh8FpGmhrl06j/9qJcp1MYVnOIfMvQG0TrhvneWsPF9xhZFDDN8AChq3sDeOqHTPHr2Cw==
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

2026-09-17T09:47:35.443495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089442
observed 6a661b2711099869b9b69c9b863980b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:35.427180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089442/manifest.json
observed e1532efb34e8ff7ff2eb06de0bd8914c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:35.411008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089442/publication.md
observed 7de1fdacfc5fcbf3588726b05c34d21c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:35.392083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089442/publication.txt
observed 39d83fe26c6b62d2e20fa2e19729280e...
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.