OpenTechnical

OT-2026-000075838

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, vented 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-2026-000075838) never changes.

Identity and time

Publication numberOT-2026-000075838 · never reused
Internal UUID01a0ae94-29fe-7e90-8806-bb5706fbffcb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075838
StatusPUBLIC

Content hashes

Canonical textb08936aa5b7067e09e64a9e31ebb308bd6a5eb5cc86ae411588ccbb51d589baa
Markdown32bdc6063f5c838d3444bb8ebfd2d020e4be42802e670686aafb8bc2bb0e59c2
PDF
Publication pagecc4fdce31f4bdc9879d4fad4729b0394713940ff8055fe864db2764c3dc1a6cf
Manifestccac4733ab5dd0674ef003039e2e4dccac08bb22fc36d4f1fbca97cbb5424122

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
SignatureJHH+dd2laeipq+r9FyUIOv7KZzS7Yx1jHY8lKpjDD5Brk+kvemsKV7t6y77bJ+9dwUxmi1V4oN798pFQtJODBQ==
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

2026-09-17T10:14:30.286153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075838
observed cc4fdce31f4bdc9879d4fad4729b0394...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:30.268232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075838/manifest.json
observed ccac4733ab5dd0674ef003039e2e4dcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:30.248730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075838/publication.md
observed 32bdc6063f5c838d3444bb8ebfd2d020...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:30.207963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075838/publication.txt
observed b08936aa5b7067e09e64a9e31ebb308b...
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.