OpenTechnical

OT-2026-000103627

Publication integrity record

Four bellows cup vacuum gripper, four zone face, 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-2026-000103627) never changes.

Identity and time

Publication numberOT-2026-000103627 · never reused
Internal UUID01a0aea4-e461-7fa6-96c1-d827d0c1b634 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103627
StatusPUBLIC

Content hashes

Canonical text8c3f0118024e4260f539c8275a8eb58f05e5db52e7c3b5a50636b2708518709e
Markdown4699f67d44590ad46474e626d79fd3777597b954ce4b8bcc57a9c4a0988f1745
PDF
Publication pagef325e801a04fb0223a2800eb68e5ca09a7e07fce4162b4db72bd70ac810b4957
Manifestc31645399843fe33757bac6a7f5c18ad9189bc9ac49477fb23570469003dbc70

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
SignatureZ++tOzxT7fMR4i2L8Rk6g+mcA3zXC+Y2gfYLWeP/e8g/jQ1hOXbyOLN9SGBTGNp1AfUqWCflx4hNxm7423GmDw==
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

2026-09-17T09:22:25.313702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103627
observed f325e801a04fb0223a2800eb68e5ca09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:25.297156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103627/manifest.json
observed c31645399843fe33757bac6a7f5c18ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:25.280489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103627/publication.md
observed 4699f67d44590ad46474e626d79fd377...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:25.264298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103627/publication.txt
observed 8c3f0118024e4260f539c8275a8eb58f...
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.