OpenTechnical

OT-2026-000051241

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, 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-2026-000051241) never changes.

Identity and time

Publication numberOT-2026-000051241 · never reused
Internal UUID01a0ae83-2740-7134-be01-9b6663e86006 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:05.998905Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051241
StatusPUBLIC

Content hashes

Canonical text8b2ca811556e6dddcdd147df8bfa3ae6f2a0b0d4ae43a670bb97cb1e7f2b5c47
Markdownfdb61d322ccd636de575ab087ac2e13e9a278a82c8f23a7340851ab305e59aa5
PDF
Publication pagec2895649f3e5ff60ae26d48c113b0afe63caef034cc71de237af9ff2fe566afc
Manifestb4023c9e69dc805cf49f35222ec7546f6b3e5f52341f45a10eba9eeec6b1f940

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
SignatureF5lv9V2PWiBnaUK1rpVZmbLjQoDtxuf/nsh9hRmXqdAEr5aghoyd3tF8wIfMJm6snrf1Z+o+xq98/OrcCFaBAA==
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

2026-09-17T10:59:02.113098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051241
observed c2895649f3e5ff60ae26d48c113b0afe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:02.095771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051241/manifest.json
observed b4023c9e69dc805cf49f35222ec7546f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:02.077447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051241/publication.md
observed fdb61d322ccd636de575ab087ac2e13e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:02.060720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051241/publication.txt
observed 8b2ca811556e6dddcdd147df8bfa3ae6...
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.