OpenTechnical

OT-2026-000059300

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-2026-000059300) never changes.

Identity and time

Publication numberOT-2026-000059300 · never reused
Internal UUID01a0ae89-8614-7204-8e74-7567ce952452 · 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-2026-000059300
StatusPUBLIC

Content hashes

Canonical texta47d9aebdbc0a1863eec4e3c4b9d6b07cddcf1622334746faddf44dc9b0f2816
Markdowne57cdac0e5014785d570192320735242bd018f7e6b2ca10e2355ccc400c515e0
PDF
Publication pagef3a02a5bc6d5f623051f0d56ea08c9a9a11e79d0b50fae9f718fbd9ebb07c36b
Manifestbfc1287e4f9598885d40509d14157d7a9247f093ee411dfeb9de98619265ab0b

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
SignatureO66mhWoL2jxjYDWSlzKqMaTj3geGB6G36mXwmgXfqcBfER8W1S1toC/Ft2a6pXu6J/ay17Hy9yJUqNd3UZ2fBw==
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

2026-09-17T10:45:48.770541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059300
observed f3a02a5bc6d5f623051f0d56ea08c9a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:48.752682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059300/manifest.json
observed bfc1287e4f9598885d40509d14157d7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:48.735059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059300/publication.md
observed e57cdac0e5014785d570192320735242...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:48.705465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059300/publication.txt
observed a47d9aebdbc0a1863eec4e3c4b9d6b07...
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.