OpenTechnical

OT-2026-000104099

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump fed, pulsed blow-off after set-down

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-2026-000104099) never changes.

Identity and time

Publication numberOT-2026-000104099 · never reused
Internal UUID01a0aea5-341f-75c4-8dcc-a34d169be664 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104099
StatusPUBLIC

Content hashes

Canonical textb6637e52b23b0c48880aac1b5e28ed8fc2161146bccb76d6296632eeaaddabb5
Markdown26779ad8513df4876b835f272e1bc5d04f050ca8e9ced2cdfebde2123abde0dd
PDF
Publication pagef91dcc7c84badc31aaf09f1bd2bac7412db934de6833fd626406f50da2c22c18
Manifest9825b45804b9d060f8a149ce07dd0d190ff8d1053bf6b1a9042c94df0f1a9a42

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
Signature6Tne2QA0tySB3lHCMh1KGZFVj/401O1dDdr66CEk9ggUTgKUlY/ZVDkJGCHNl8FnT6ga7FZKQ9def93Sg6WsDg==
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

2026-09-17T09:20:10.257377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104099
observed f91dcc7c84badc31aaf09f1bd2bac741...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:10.239914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104099/manifest.json
observed 9825b45804b9d060f8a149ce07dd0d19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:10.222706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104099/publication.md
observed 26779ad8513df4876b835f272e1bc5d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:10.205004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104099/publication.txt
observed b6637e52b23b0c48880aac1b5e28ed8f...
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.