OpenTechnical

OT-2026-000095111

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, sustained blow-off before 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-2026-000095111) never changes.

Identity and time

Publication numberOT-2026-000095111 · never reused
Internal UUID01a0ae9f-2df1-7a2f-a67b-25238907b08d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095111
StatusPUBLIC

Content hashes

Canonical text488479ef1453020ae8f616151df4b74b3413e053e5625e4b5c7778ff8ba07898
Markdown21455d4df1b1bb5cd245efe2de03db18a30890a6bf82d1d796e7d3d0c6a005ad
PDF
Publication page4f17f57d1caf71c31d4ccdcea17e5016eb082e4aaa6bbeb786c0094c17c1339d
Manifest1af5815dde9db92cac1d64fef34d471c399af627b52ad3848107c1e147532847

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
Signaturezm8dfn7tzryYGWE72ABGrl/lO46r7ez2xpwoXaRP+2jijL7HuyCRGyhyyOjMItweeRKMlksu4BtH0mHs7X37DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:37:43.415775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095111
observed 4f17f57d1caf71c31d4ccdcea17e5016...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:43.398317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095111/manifest.json
observed 1af5815dde9db92cac1d64fef34d471c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:43.381293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095111/publication.md
observed 21455d4df1b1bb5cd245efe2de03db18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:43.364558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095111/publication.txt
observed 488479ef1453020ae8f616151df4b74b...
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.