OpenTechnical

OT-2026-000050397

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000050397) never changes.

Identity and time

Publication numberOT-2026-000050397 · never reused
Internal UUID01a0ae82-5c48-777a-8250-e2dd8d95b0e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050397
StatusPUBLIC

Content hashes

Canonical texte0477b3ba9b9f18cf48a7549d89bb54588dbdcf8d03cb96572c707b150a0250a
Markdown439a9be528c191f6baf42eff7e322f90b877100cef1607db0f4e566656846441
PDF
Publication page5dd21576f509b5282991f957fb9d57075b936505453f036cea492b919dd9fc7a
Manifest2bbb822fe441cbfc7cd384586cf9d8baa6853b8516321a20d805ab59b09736ec

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
SignatureV0Bq1B6k6YIB4X9XP/jIucIOZbehTiKW0DXnpQ0pVk3ghDE3TQNDzmyebyr2EA7ymnwRTLCWoKuhuFZRb/E1Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:01:26.280228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050397
observed 5dd21576f509b5282991f957fb9d5707...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:26.263676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050397/manifest.json
observed 2bbb822fe441cbfc7cd384586cf9d8ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:26.246280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050397/publication.md
observed 439a9be528c191f6baf42eff7e322f90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:26.230541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050397/publication.txt
observed e0477b3ba9b9f18cf48a7549d89bb545...
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.