OpenTechnical

OT-2026-000102940

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four 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-2026-000102940) never changes.

Identity and time

Publication numberOT-2026-000102940 · never reused
Internal UUID01a0aea4-be3c-7423-a149-f7cff7f1ead3 · 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-2026-000102940
StatusPUBLIC

Content hashes

Canonical text954feae2c5028496da974485b58d9c57ae8f46918ec0a4797e5c52e97b12fba6
Markdown7f3fdca348d68478bbe11937972a006b5a391405a0802b06354971b5ff014dee
PDF
Publication page137343ab1a7381d09ce175ed3ff5df4d0d2a5c425cc30c68f12353d70bb4286f
Manifest231d07cb04fc8bff0717df219d5d5dfc9c7ffa16089e6431687381c608343b14

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
SignatureorHTVVBKj89Hof/Q6e3N0xbY3Ooq4Ziv+dF4PlIDMrMZwlITH+0KX/s3UdAATAnHqj0kK7HUxGQ7sMKISl70Cw==
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

2026-09-17T09:23:02.689553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102940
observed 137343ab1a7381d09ce175ed3ff5df4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:02.671170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102940/manifest.json
observed 231d07cb04fc8bff0717df219d5d5dfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:02.652611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102940/publication.md
observed 7f3fdca348d68478bbe11937972a006b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:02.634382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102940/publication.txt
observed 954feae2c5028496da974485b58d9c57...
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.