OpenTechnical

OT-2026-000091508

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, pressure sensor per zone, sustained blow-off 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-2026-000091508) never changes.

Identity and time

Publication numberOT-2026-000091508 · never reused
Internal UUID01a0ae9c-f16d-7df5-a6f9-3919fe401eb2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091508
StatusPUBLIC

Content hashes

Canonical text1172cada3b6f5b51b27e3bb07ae2d278b99476b57f5eb0d2aa16d03b87f43028
Markdown6c9842f0329cd8f3fda6a9bb3362222727671d3488f82d81255b5cae3bb37632
PDF
Publication page4c83775b7ee16c9252aeea040dc8766e2812ec5af1c46d709b9c54cd89a8340d
Manifest2625cd7430ecd376b151ca067707f2cc05c6dadf0d296f92ce7e2fe376a96d96

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
SignaturedE+UIEx2vqleM6TbmGqr/cqHEKXVYuqez16J2UI4gMF6n10+QYVaUU+CW39AgMKACpnOmN7SMAISZWoUelR5Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:43:46.195935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091508
observed 4c83775b7ee16c9252aeea040dc8766e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:46.178120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091508/manifest.json
observed 2625cd7430ecd376b151ca067707f2cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:46.163075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091508/publication.md
observed 6c9842f0329cd8f3fda6a9bb33622227...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:46.145863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091508/publication.txt
observed 1172cada3b6f5b51b27e3bb07ae2d278...
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.