OpenTechnical

OT-2026-000103222

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, three stage ejector, 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-2026-000103222) never changes.

Identity and time

Publication numberOT-2026-000103222 · never reused
Internal UUID01a0aea4-be3f-75a4-bc7b-7316988763b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103222
StatusPUBLIC

Content hashes

Canonical text8e8b16868bf393753c91ac5ea3366977bbcb0ef5fa9d9056354a01910da2635a
Markdownd124fd23fa2cd6f3702815e9eadd5e7e43bbc89bc6fdc081bef8eb61f2903296
PDF
Publication page041bc1e4ec7b4c50fa967c312215fac359f1a472cdb697672ec89e173ace13e5
Manifest8df4badef20705aaa4180e41620a476b0f7a93764f8288794232bf99a77acd3c

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
SignaturesFGSYaKeMQf4sOwAxed5Ym6kkgAGRnaYXYtK0jMnI918ilpHQ/04hUlgQhsBdWbogGNbdmfGZcf4P4bWwmYgCg==
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

2026-09-17T09:23:27.183337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103222
observed 041bc1e4ec7b4c50fa967c312215fac3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:27.164883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103222/manifest.json
observed 8df4badef20705aaa4180e41620a476b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:27.146293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103222/publication.md
observed d124fd23fa2cd6f3702815e9eadd5e7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:27.127936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103222/publication.txt
observed 8e8b16868bf393753c91ac5ea3366977...
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.