OpenTechnical

OT-2026-000008688

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, sustained blow-off after 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-2026-000008688) never changes.

Identity and time

Publication numberOT-2026-000008688 · never reused
Internal UUID01a0ae6a-e46c-7514-aab8-e7175c2e1035 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008688
StatusPUBLIC

Content hashes

Canonical text0364a760ff28d61f715e0cdd04557cf65e6bd651cbcddc04a6b43bb025842553
Markdownd9ef9d1553b5869dd4776f6f5bc5d84a76b93527033b5d41424310ee7ec8ad61
PDF
Publication page8f8eaa95c2af88107890604844a86b3ecf6fc9fa54a006a024bfb1bfe2227c25
Manifestfff9863cc54d0831a25fe73cda6b4ee72e56a2f16d8c2329a0dd2397054e2297

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
SignatureWEoCe+BWuJlXVUKz0LJ4EPgmY/LZykIL39l0n3s1K298q9Rz2Qtnv5V4ntj6prEdPLfQPfVFFsEOaXFpnJGxCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:45.012159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008688
observed 8f8eaa95c2af88107890604844a86b3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:44.976946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008688/manifest.json
observed fff9863cc54d0831a25fe73cda6b4ee7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:44.945354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008688/publication.md
observed d9ef9d1553b5869dd4776f6f5bc5d84a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:44.898695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008688/publication.txt
observed 0364a760ff28d61f715e0cdd04557cf6...
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.