OpenTechnical

OT-2026-000071254

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, vented before 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-2026-000071254) never changes.

Identity and time

Publication numberOT-2026-000071254 · never reused
Internal UUID01a0ae91-e0ec-79ed-bb5a-3fb8eb1be1a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071254
StatusPUBLIC

Content hashes

Canonical text7c57c39444286af4432fec584dcb5cfddf97f25974c97c7464088b20f9afe5f6
Markdown15dbec4a1d5d970d00d06cf29a644e4fa4c017266dff5f17f8b1305ef9cc97fa
PDF
Publication pagef257fc16afb16d7aec47c82747dba5919bdd0973b45fa4ea315410d2e98f5310
Manifestbb28bb30dc0eec4cc56f60df41993a856521947aeec559580b0671239d60428d

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
Signaturem6kYuiTyOLnwRcqDyKNHipb7WwT2AjZ9kgOqHz0aGElfHR51SVk6wzwVQxNYzLPqwwcuBS8uDAKZZ/oTnMA2DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:24:48.645434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071254
observed f257fc16afb16d7aec47c82747dba591...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:48.626076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071254/manifest.json
observed bb28bb30dc0eec4cc56f60df41993a85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:48.608909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071254/publication.md
observed 15dbec4a1d5d970d00d06cf29a644e4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:48.590545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071254/publication.txt
observed 7c57c39444286af4432fec584dcb5cfd...
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.