OpenTechnical

OT-2026-000102366

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, 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-2026-000102366) never changes.

Identity and time

Publication numberOT-2026-000102366 · never reused
Internal UUID01a0aea4-8589-7875-9550-6e6a48b95e6a · 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-2026-000102366
StatusPUBLIC

Content hashes

Canonical text7f00607c58d2c86ad904a286e0a8380acaa31df2fbdff9585bb97f84eaec6fbb
Markdown79f4c04ca20c868f243018f1f9a21926fb01626c96139937b43024616c57a3e7
PDF
Publication page39887eed59bf939649ee66ab4eea67f0170d11c9833a1c2aa00d864318bedd07
Manifestc57fab11f84b83e7af5bf1cf217d8c92b927f16f812037451214bf7925a878c0

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
Signature01ybqdB1mjFk5P2Nc27hRd5bo1qkHZCy4saM9OZE5M7O3wHAkrRKQz8dCcwHVzMx0JY0+N/XefQDpRuTJCc5Bg==
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

2026-09-17T09:23:42.274466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102366
observed 39887eed59bf939649ee66ab4eea67f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:42.258481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102366/manifest.json
observed c57fab11f84b83e7af5bf1cf217d8c92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:42.240675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102366/publication.md
observed 79f4c04ca20c868f243018f1f9a21926...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:42.224230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102366/publication.txt
observed 7f00607c58d2c86ad904a286e0a8380a...
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.