OpenTechnical

OT-2026-000103258

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, 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-2026-000103258) never changes.

Identity and time

Publication numberOT-2026-000103258 · never reused
Internal UUID01a0aea4-be3f-7f52-9914-d13d4db5fb33 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103258
StatusPUBLIC

Content hashes

Canonical text1486a78b38e5ef7a7e2ab2e3e93537f7b9ecce0c650699db15db5e74a985a3cc
Markdown08dc3ad4bfc34cd5aaa1e95cd386052444c423e180237898f6c999cf0ec41aa4
PDF
Publication page155677f5b85183ca143bdb9a090414ee33156de7fb60913c172d479d2ba965cc
Manifestcb3ff8b882a45f326d0135c027499f2224a9b509c9261f81fccdfade6a87d00c

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
SignaturegvUY8fIGBeb98aJJpRLl/uWMIQZkPNUF7gyuBhLiY0ctTQlGe7bTqmA/rCCBWtAifp4NLvc9prLBb/FwQfG4AQ==
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

2026-09-17T09:23:29.691417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103258
observed 155677f5b85183ca143bdb9a090414ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:29.675624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103258/manifest.json
observed cb3ff8b882a45f326d0135c027499f22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:29.659862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103258/publication.md
observed 08dc3ad4bfc34cd5aaa1e95cd3860524...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:29.642738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103258/publication.txt
observed 1486a78b38e5ef7a7e2ab2e3e93537f7...
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.