OpenTechnical

OT-2026-000101087

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, 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-2026-000101087) never changes.

Identity and time

Publication numberOT-2026-000101087 · never reused
Internal UUID01a0aea3-c377-7231-bced-27f8e2e57262 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101087
StatusPUBLIC

Content hashes

Canonical text55fc8d914c7fb05fddbea187e77c6cfa2e68875b1c0d3959b71b31010337ba2e
Markdown6a055bca0447e86b5e251560f3fec0a090921f2bf1f747127d2472c6954bdd65
PDF
Publication page1ac8340e2c1dd8ea08c22e3fec7d2175fc0680318c45a804c263c2bbebfd7d98
Manifest20b7a811df055522694b36dbabaf5ae89c2e1afc5bbc00890b737015b3a46409

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
SignatureknWikWdZJ6zLt8AnRAy9k4p9vLNH5KoSC/jMJA/0cJGr6PIwuxX4YrhFF7AiXhIWiTGzfVQE1CgWv10t5D5IBA==
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

2026-09-17T09:26:42.561968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101087
observed 1ac8340e2c1dd8ea08c22e3fec7d2175...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:42.543563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101087/manifest.json
observed 20b7a811df055522694b36dbabaf5ae8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:42.523266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101087/publication.md
observed 6a055bca0447e86b5e251560f3fec0a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:42.505204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101087/publication.txt
observed 55fc8d914c7fb05fddbea187e77c6cfa...
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.