OpenTechnical

OT-2026-000041749

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, sustained blow-off after 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-2026-000041749) never changes.

Identity and time

Publication numberOT-2026-000041749 · never reused
Internal UUID01a0ae79-e8a1-789f-92ce-20a5459e7263 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041749
StatusPUBLIC

Content hashes

Canonical text2ac9cb2da03a6572a65c8768edbf2f9408ab0e3365d50936ad92176c75291716
Markdownf2a7505de79e50adb3775e979076878c26ed4fd22382efec2b4fec215c967e73
PDF
Publication pagee5a0203a1e55ac9557425e11fb137b2948c2b2ef107d2fecdad97a21eeddfa35
Manifestc7754fbb823b20c605b553455e937e66f4b789310a417df1bf3b57374bc62345

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
SignatureI9yaNxDzq4cYS2bPMebHWlPU4QiCF+d/fXSrU5B+QWjfa+qhllxHauovqXotobsb12NQsWA1rGnW9d6fRlgLCg==
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

2026-09-17T11:16:35.610270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041749
observed e5a0203a1e55ac9557425e11fb137b29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:35.593453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041749/manifest.json
observed c7754fbb823b20c605b553455e937e66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:35.576868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041749/publication.md
observed f2a7505de79e50adb3775e979076878c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:35.559545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041749/publication.txt
observed 2ac9cb2da03a6572a65c8768edbf2f94...
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.