OpenTechnical

OT-2026-000071657

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000071657) never changes.

Identity and time

Publication numberOT-2026-000071657 · never reused
Internal UUID01a0ae92-1e91-7586-9d4d-508a884bb55f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071657
StatusPUBLIC

Content hashes

Canonical texte30f41acab1f1e521bfa3363b1eca107f2c23c610dd630a75d0f9ced3de64460
Markdown26c2ddd8e0937018011daa5cbe49fe9913dcc951886ee4c6176a6b64bc659b63
PDF
Publication page4b73022f127f7ae64c6ca280e48632fd65d8f35d96754976f480bb61187f400c
Manifestdafb531c935b02c39b413ca9805bd5fed63cd83c6ae118b2d4ee1f52dba903f6

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
SignatureMo8D3f0pMMMXDI9OeIriaMWOXh4YN6jzXkkrrGJ3x+yS5H/2JRCNlwjTEjvQOg4q6J5HazkDa464/7leZIFHBQ==
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

2026-09-17T10:23:41.419715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071657
observed 4b73022f127f7ae64c6ca280e48632fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:41.402883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071657/manifest.json
observed dafb531c935b02c39b413ca9805bd5fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:41.386583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071657/publication.md
observed 26c2ddd8e0937018011daa5cbe49fe99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:41.370959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071657/publication.txt
observed e30f41acab1f1e521bfa3363b1eca107...
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.