OpenTechnical

OT-2026-000103934

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, 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-2026-000103934) never changes.

Identity and time

Publication numberOT-2026-000103934 · never reused
Internal UUID01a0aea5-15e7-7cb6-a622-7c4b34357e74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103934
StatusPUBLIC

Content hashes

Canonical textd7ac325d4c692776c144584716e659e9ec707ac5e9d1aebde3e8b676cf093d1e
Markdown46d8632ff9d3bcf951fc7099b032af0e42e68d90135d44db8920f64f107ad760
PDF
Publication page50d37afd160d4220fb90019a6a7dde725026b3b2293ee7a76fec7d9e7fdec625
Manifestd0396aff91893d9b634b4615ee76b625527a2de0d94a09375a958db7e7713b54

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
SignatureRdNQZdd4eCk2g5WopwgTAs819g98l1fxYPDREDtUWiL0p17jvsn2eRW07nIUK4mmGMGCWu8IsBuZzFZOvX8sAg==
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

2026-09-17T09:21:55.958760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103934
observed 50d37afd160d4220fb90019a6a7dde72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:55.941191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103934/manifest.json
observed d0396aff91893d9b634b4615ee76b625...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:55.923214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103934/publication.md
observed 46d8632ff9d3bcf951fc7099b032af0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:55.906216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103934/publication.txt
observed d7ac325d4c692776c144584716e659e9...
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.