OpenTechnical

OT-2026-000089936

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000089936) never changes.

Identity and time

Publication numberOT-2026-000089936 · never reused
Internal UUID01a0ae9c-428d-7ade-8c49-2bd1cad7b373 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089936
StatusPUBLIC

Content hashes

Canonical text5d1e718978c2cc147aadc6bbad6e0d6d41ecd8603b148d70b371379a2cf508fa
Markdown6cb6d6a879a7fe4ff9a00fc2c9af41c375e62b9ecb99278ef3f5d995bef7cf1d
PDF
Publication pagea12f8137642a6bd5f20b15546b962152fc844666e66f4593f1cf39755c1c1929
Manifest643b81bf81280cd5ed4e205bf15cfcd4bc176b0685b11329a5db59511daf7842

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
SignaturewAngF3nESlvFOk6RbvxAIYM7z2Y0N9Z+J6Ye8mg5s9omcDiG7XFu+DMCkL4l0t6g21d44ggCH5B/U5xF1E8nDQ==
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

2026-09-17T09:45:18.749288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089936
observed a12f8137642a6bd5f20b15546b962152...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:18.727783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089936/manifest.json
observed 643b81bf81280cd5ed4e205bf15cfcd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:18.704659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089936/publication.md
observed 6cb6d6a879a7fe4ff9a00fc2c9af41c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:18.683691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089936/publication.txt
observed 5d1e718978c2cc147aadc6bbad6e0d6d...
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.