OpenTechnical

OT-2026-000069665

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000069665) never changes.

Identity and time

Publication numberOT-2026-000069665 · never reused
Internal UUID01a0ae90-b52c-70df-a8eb-5ce39adb6e7d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069665
StatusPUBLIC

Content hashes

Canonical text19349a91d33a2962a5fcaa038e399b3dc8e72560f3f869c7da4b0af920a76f7b
Markdownb5af7e06e11561cebe19ca9a6ff36c97fc94850d25ddf0fbcaa6d13b49123514
PDF
Publication page8e7a0e636cf22bb8559f732bb1c143a59c357153eb90dd1e351eaaf20f4b3757
Manifest628e084da169bff15e6de9b4c62172f6155ef4e2c1ed8d0677401f0c9360215e

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
Signature9B2PULQviwBbe61fa0vsVqfaKst52nrcZ/lc+57l5Mkbx7JJWQcKiBsFxz5aZ9KiphYQiE82W3c68sZhJ3NXBg==
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

2026-09-17T10:28:20.091968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069665
observed 8e7a0e636cf22bb8559f732bb1c143a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:20.073882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069665/manifest.json
observed 628e084da169bff15e6de9b4c62172f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:20.055371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069665/publication.md
observed b5af7e06e11561cebe19ca9a6ff36c97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:20.037049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069665/publication.txt
observed 19349a91d33a2962a5fcaa038e399b3d...
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.