OpenTechnical

OT-2026-000098907

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before set-down

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-2026-000098907) never changes.

Identity and time

Publication numberOT-2026-000098907 · never reused
Internal UUID01a0aea2-8286-7fd3-b385-b407a3bc439a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098907
StatusPUBLIC

Content hashes

Canonical text5d301ae7cf4334150e8f4e368002b6d26b42ba0edb06d5277f29e2553110fbea
Markdown6e729badb62ddb28a98b97bf3d14704c9c7f9cd3cb22ed000291b3909539ba49
PDF
Publication pagec4df74139923877abdc97747d6d462e7660f48dbaafd6aec3902fc2e2cfc6cd3
Manifest4f2e22fda3fc866be4ad06103e53d2b6ea4fdb057d0e774eec7a6537b37f6133

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
Signature9jQwudjAGPtOPvBd1oQym/LmgUf/yB8tNr+fEsOjaUgcX8TXBu13hOhqogdhkR2Wq4O1XHaaX83shE90b+ZzAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:57.914086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098907
observed c4df74139923877abdc97747d6d462e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:57.897478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098907/manifest.json
observed 4f2e22fda3fc866be4ad06103e53d2b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:57.880121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098907/publication.md
observed 6e729badb62ddb28a98b97bf3d14704c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:57.863702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098907/publication.txt
observed 5d301ae7cf4334150e8f4e368002b6d2...
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.