OpenTechnical

OT-2026-000058278

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, 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-2026-000058278) never changes.

Identity and time

Publication numberOT-2026-000058278 · never reused
Internal UUID01a0ae88-f398-77df-997d-dd2c61c772dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058278
StatusPUBLIC

Content hashes

Canonical text8186da6700dab2dac10290a073efd8005b3c7e96c2ce959e9fb0a1bed6ffc930
Markdown494869244612473bb224ae9e730f62067f21abfb02c84f48100c8ec1925131f9
PDF
Publication pageb2ad39605e5a4a1da239ba91faa4cabb31c47e8a7c763192f6529e430878a4da
Manifest11465e473aa3f6eac6d0c11aa4f105ef28764f8822c9dad577b370aeeda4818d

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
SignaturegDCYcIs0kO4MecRioEm215+hK8bSkGiX1okZpmfEJu00XKr3YQq0qT3v3l0wHsQ2IkUpLxAKbzRdRiRtOj+KCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:46:40.086071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058278
observed b2ad39605e5a4a1da239ba91faa4cabb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:40.069755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058278/manifest.json
observed 11465e473aa3f6eac6d0c11aa4f105ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:40.052788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058278/publication.md
observed 494869244612473bb224ae9e730f6206...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:40.034927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058278/publication.txt
observed 8186da6700dab2dac10290a073efd800...
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.