OpenTechnical

OT-2026-000102105

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, 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-2026-000102105) never changes.

Identity and time

Publication numberOT-2026-000102105 · never reused
Internal UUID01a0aea4-50f2-7f42-9275-e856634f5cc6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102105
StatusPUBLIC

Content hashes

Canonical textc3a185383de4c912916d7d3d56b69d70c34229b2c73892d03190a0e019087e36
Markdownb864c87c0cbf56f57d769fa9ae9d0b2ef7e76872b61267c4ecbaed956f18a4f0
PDF
Publication paged130432204cdea6b0a54a80256dc687ce4f6c0613d7965d71a47a9f5eec2d3bc
Manifest4aaf745ab33e9d8a2af9f4dbc7d9c6851be211a901c4c58e7831273ddb31aaa5

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
Signaturenwr8EkoXg4nRyOk/Jc9nd3BCQwtVFA19ABCWHqqPLdYvHeN05XLWit6EeBP1WxNdmTFEDh22HTJ+7ScREuk7Dg==
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

2026-09-17T09:25:15.322436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102105
observed d130432204cdea6b0a54a80256dc687c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:15.303267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102105/manifest.json
observed 4aaf745ab33e9d8a2af9f4dbc7d9c685...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:15.284863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102105/publication.md
observed b864c87c0cbf56f57d769fa9ae9d0b2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:15.266803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102105/publication.txt
observed c3a185383de4c912916d7d3d56b69d70...
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.