OpenTechnical

OT-2026-000058216

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single 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-2026-000058216) never changes.

Identity and time

Publication numberOT-2026-000058216 · never reused
Internal UUID01a0ae88-6edb-711a-ae84-7ad3b48364f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058216
StatusPUBLIC

Content hashes

Canonical text7b5156f97873f20f052e66878661628c1860fb82a666f286b58c1857e8076abb
Markdown6a559f6413f8ced3782a1fa1481b2498f51417e312b06b071e7d74c9b7f40e40
PDF
Publication page3e850980d08afd5dbd1099c83ce096e21234973aa178cff3cd505e7fc051e167
Manifestfb3b716ccdaa652e7881ce07d7d3ce279546aeaf69c17ab0a0f78a79ec2b1f30

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
Signature0UVD2JtDXqkgz58JVqq4BdUihqVoMs/PgWjHEoG4XYKHtAdM/pdUEtIxyO4TNph+CGpFh7yOqPrVI++FnAgtCA==
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

2026-09-17T10:47:55.374846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058216
observed 3e850980d08afd5dbd1099c83ce096e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:55.357206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058216/manifest.json
observed fb3b716ccdaa652e7881ce07d7d3ce27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:55.338098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058216/publication.md
observed 6a559f6413f8ced3782a1fa1481b2498...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:55.318687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058216/publication.txt
observed 7b5156f97873f20f052e66878661628c...
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.