OpenTechnical

OT-2026-000056837

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, manifold 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-2026-000056837) never changes.

Identity and time

Publication numberOT-2026-000056837 · never reused
Internal UUID01a0ae87-7af8-780b-84a6-01ff2dd74b02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056837
StatusPUBLIC

Content hashes

Canonical text9f2d8dae1a37b0546a0e775c62e3036e85e67a67abd0306acbf6400d37fa0620
Markdownba4b1262248eef64d21b0d55242fe1c6bf48aadb41854c971aec670feec9d849
PDF
Publication page9daa1a4b15720bc2bc150f978f954ba17a633f50fc77732151f2590531ea8492
Manifest9ae37495e225339823f1d539c17308edc3eee3e9e5526a94348e60a2b8a88360

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
Signature/JYOgm51MjDIlqZ3p93hrtd4xlM3j1Oe79Zvm004YgEj7u1Q6ayCt+J36tOqqX5iYacUhVzwezEO18WsPxxgBA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:20.007460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056837
observed 9daa1a4b15720bc2bc150f978f954ba1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:19.989792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056837/manifest.json
observed 9ae37495e225339823f1d539c17308ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:19.973698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056837/publication.md
observed ba4b1262248eef64d21b0d55242fe1c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:19.955160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056837/publication.txt
observed 9f2d8dae1a37b0546a0e775c62e3036e...
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.