OpenTechnical

OT-2026-000043415

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two stage ejector, manifold pressure sensor, pulsed 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-2026-000043415) never changes.

Identity and time

Publication numberOT-2026-000043415 · never reused
Internal UUID01a0ae7b-327e-7ba5-aee1-6e529ed3c06c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043415
StatusPUBLIC

Content hashes

Canonical textff9faedd092e05364c06b6b808ef90fa0c381890c640d6e9d1e01a01a7444576
Markdowna3a9c287c691434b67999a76058369e1b30ca327bcec30b80186c8e7ea90bdf2
PDF
Publication pagef8a3231a1d2fbaae8369e0251c9e729698fe490da6e5e750fef54e4893c86364
Manifestc15d79220b73ee43b41224e74a3fca75540b94007cef00a82417865aefc79cdf

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
SignatureoIry1g5gzsDy3XH/Oty38JTTjNDZ3WWuJVhJPapio0jsD5Y3UsuJbDX0RNZ0IfW8yr/Wt+90u9IfiYsNiWjkAA==
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

2026-09-17T11:13:57.349755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043415
observed f8a3231a1d2fbaae8369e0251c9e7296...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:57.331046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043415/manifest.json
observed c15d79220b73ee43b41224e74a3fca75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:57.313341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043415/publication.md
observed a3a9c287c691434b67999a76058369e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:57.294578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043415/publication.txt
observed ff9faedd092e05364c06b6b808ef90fa...
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.