OpenTechnical

OT-2026-000059324

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, sustained blow-off after 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-2026-000059324) never changes.

Identity and time

Publication numberOT-2026-000059324 · never reused
Internal UUID01a0ae89-8614-7767-a121-4ac08308489b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059324
StatusPUBLIC

Content hashes

Canonical textf728bb2a0bc618ce83b927fb3413a818da5c06c87f6e4077e67f303e9fbbfbd9
Markdown04b3bf2544d5254ad4cedef1ed8f121f11b28b532a539874de097e7ac0d99d47
PDF
Publication page3b9932448ce92942c0664749017399f2aa83dabfdb8e0d18c8981fc24dbac747
Manifest58049908d8c69ac5cd2b269a7ee4dbcdc6c86bde260aadcce72f9af21e2de5c5

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
SignatureYCMzgUW7BINvnKU+muTL1jVzTGDvNKZIDx92E+WakWUHuGzxOOC1+Bd3ntdCq0W3t+dEi1wy0vshXdrTK18+AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:45:58.763730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059324
observed 3b9932448ce92942c0664749017399f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:58.747549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059324/manifest.json
observed 58049908d8c69ac5cd2b269a7ee4dbcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:58.730660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059324/publication.md
observed 04b3bf2544d5254ad4cedef1ed8f121f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:58.712834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059324/publication.txt
observed f728bb2a0bc618ce83b927fb3413a818...
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.