OpenTechnical

OT-2026-000102837

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, pulsed 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-2026-000102837) never changes.

Identity and time

Publication numberOT-2026-000102837 · never reused
Internal UUID01a0aea4-858c-707e-ab76-2f51e4e548cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102837
StatusPUBLIC

Content hashes

Canonical text5c4eaafa4e90e56570ea70c1d28f2a31a0dc28e22edbea1680de6c535815a80a
Markdown9f1e52ff42d8ff2ca46a3d3075e87f5a3177f1c5e53d237513cce1bbaf2f9c4f
PDF
Publication page96a9d3fe7e5e26a78196a46a474956aef2146526749cd4fa4f071baa36936ac6
Manifesta1e8418347cc36988f3e04822e3143fd628b76dd9f10bf11b1d88f43289f1d39

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
SignatureGjUpzlsfXbhrqZRoCjJqDSUsKGYJDyhTZl4SJc1bZCvZgt26L9T9Z4vdh/jjk2+1uzq+xH/lrBgkiFQBaLk/Bw==
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

2026-09-17T09:24:22.508400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102837
observed 96a9d3fe7e5e26a78196a46a474956ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:22.493115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102837/manifest.json
observed a1e8418347cc36988f3e04822e3143fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:22.476429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102837/publication.md
observed 9f1e52ff42d8ff2ca46a3d3075e87f5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:22.457573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102837/publication.txt
observed 5c4eaafa4e90e56570ea70c1d28f2a31...
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.