OpenTechnical

OT-2026-000102349

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two 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-2026-000102349) never changes.

Identity and time

Publication numberOT-2026-000102349 · never reused
Internal UUID01a0aea4-8589-79a1-8eac-cef24270af11 · 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-2026-000102349
StatusPUBLIC

Content hashes

Canonical texteb02f6d193c0114fcf93d5981fb7e46251216c9cde1bdba394b66c957f2764a7
Markdown59fd64a7b27a8495d3f469605e407aadd0fd54fcfa4fc6644cb21b7e976b5d5b
PDF
Publication pagee1730ed7dc342fb2bed1497be88c2f40b04d4e72dda5b143a52c31dad293743a
Manifestcb157493871ccf3296fcc50eb2234cf1ea7aeb385afcb0c566bb3ec8a1c15e8f

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
SignaturerfED7bJBnm9si2tA3onaQsxkThzCOxvmkfpUEU+k1O8+nZoUJvn8By637p/4xzbZRX4nP05ovxy26NopT0KQCQ==
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

2026-09-17T09:23:41.031445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102349
observed e1730ed7dc342fb2bed1497be88c2f40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:41.014512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102349/manifest.json
observed cb157493871ccf3296fcc50eb2234cf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:40.995734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102349/publication.md
observed 59fd64a7b27a8495d3f469605e407aad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:40.977516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102349/publication.txt
observed eb02f6d193c0114fcf93d5981fb7e462...
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.