OpenTechnical

OT-2026-000050365

Publication integrity record

Single cup vacuum gripper, common isolation valve, three 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-2026-000050365) never changes.

Identity and time

Publication numberOT-2026-000050365 · never reused
Internal UUID01a0ae82-5c47-7336-ab95-77d146a8a0cd · 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-2026-000050365
StatusPUBLIC

Content hashes

Canonical textf0a74a421353269f2678486b8c945be202692e52479985d8ef1fc7fe97511ac5
Markdownecd2887464da173bfb1cd2876d9b74e839b8b18f12c95bb9fc72d6b60aedc8cf
PDF
Publication pagea1cfece7c7a4fd9384336d1773d16f9cc39106e21e9e4a75d0d4586b93922b21
Manifest6216946a19bf6f6ea8d62195be667a6f897d2c894579bc505bd7c542c5b8f809

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
SignatureaA8LxK6LZwx+z8QunNGIgrShaBrWxaM+uktpei+KVceQtoN1iyomjcOaNieYegsaClaq0WBHsSgsnI+OYBxjBA==
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

2026-09-17T11:01:23.897616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050365
observed a1cfece7c7a4fd9384336d1773d16f9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:23.882739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050365/manifest.json
observed 6216946a19bf6f6ea8d62195be667a6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:23.864887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050365/publication.md
observed ecd2887464da173bfb1cd2876d9b74e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:23.847774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050365/publication.txt
observed f0a74a421353269f2678486b8c945be2...
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.