OpenTechnical

OT-2026-000057896

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, sustained blow-off after set-down, on a tool changer

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-2026-000057896) never changes.

Identity and time

Publication numberOT-2026-000057896 · never reused
Internal UUID01a0ae88-6ed8-7f69-9058-3a6bf9770aa7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057896
StatusPUBLIC

Content hashes

Canonical text07ccf0dbe6fd20699d566a6aa19100b451151d836720a533b32c4a708d29e3cc
Markdownaf2225530b572671dbdfaf9b585c8a3fdd0e10fd7161db6dce45ce234bd85bad
PDF
Publication page5d76f6b3849569a95b35d6d375566bceed11510ebc4b5afb119ba04e19c98557
Manifestd211ade06263c654b69eab34a846e9f9d64cec0d305fd29a9cf1edc1d61c6168

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
Signature6Bsc10iQQrd4J/DOtbv0bGZx1T87nL43j6mSQupt2ccNtNgAm+p2Y6/Wit+sGWogmWCjPX8FJ810ua/ieTcGCA==
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...

Independent retrieval

2026-09-17T10:47:29.430758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057896
observed 5d76f6b3849569a95b35d6d375566bce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:29.412712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057896/manifest.json
observed d211ade06263c654b69eab34a846e9f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:29.392092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057896/publication.md
observed af2225530b572671dbdfaf9b585c8a3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:29.372916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057896/publication.txt
observed 07ccf0dbe6fd20699d566a6aa19100b4...
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.