OpenTechnical

OT-2026-000080382

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented after 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-2026-000080382) never changes.

Identity and time

Publication numberOT-2026-000080382 · never reused
Internal UUID01a0ae96-7e77-76a6-b91e-f77a2b174893 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080382
StatusPUBLIC

Content hashes

Canonical text51f3723e7cf0fdb530922128a8e3704755fd35139e647e97d522a7fb3cca2ad8
Markdownb7ed4ef7b238aeb834faff71269d006a9e471c371a5eb2f68e9774e35e74f723
PDF
Publication pagedbc1e2c6ef35cb7b8518833b37849ddf8cf1235055bada052b2700c10b188d21
Manifest8f560fb72d89c9a9ed2b195cffd1650cec203ecd04befad54674725f7b259775

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
Signaturej7zmjwex0mIrrJijUqOB9VsK0ONXLyMtcAIR8sAv0oluaENgWx9ADfqHgiPe4Nxw34l61Md+2nvvSqA0/p2/DQ==
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

2026-09-17T10:02:52.534747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080382
observed dbc1e2c6ef35cb7b8518833b37849ddf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:52.516708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080382/manifest.json
observed 8f560fb72d89c9a9ed2b195cffd1650c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:52.499113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080382/publication.md
observed b7ed4ef7b238aeb834faff71269d006a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:52.480590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080382/publication.txt
observed 51f3723e7cf0fdb530922128a8e37047...
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.