OpenTechnical

OT-2026-000104498

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pulsed 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-2026-000104498) never changes.

Identity and time

Publication numberOT-2026-000104498 · never reused
Internal UUID01a0aea5-3422-78f2-9b5b-6f7908baf747 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104498
StatusPUBLIC

Content hashes

Canonical textfe1ef011316cd748f3b8979b38cbaee6ceeb81c9df97728f01c317bc16f0ec5d
Markdown82a623775c08097fa434528d39002fd5c52c60e5428f21f09e59298de4c5e45b
PDF
Publication pagedfbc8ee94cc30111cee5d5efaa06696c73d81169ef2e7a69d7c65dd7f3109525
Manifestc6299e44015444fea1d5463bfe5bb38bc8b7cbd49af355477da7fb9c51a1d9f8

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
SignaturebhPHYrntJ/QyKOKJozIBI6ROsYYhnYiwmNT+NLuvwNLVY8IEFK9yWnhE00tbRNwUx7W+SPctS7FFWDPKj7xrAQ==
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

2026-09-17T09:20:04.582700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104498
observed dfbc8ee94cc30111cee5d5efaa06696c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:04.565373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104498/manifest.json
observed c6299e44015444fea1d5463bfe5bb38b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:04.547140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104498/publication.md
observed 82a623775c08097fa434528d39002fd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:04.524754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104498/publication.txt
observed fe1ef011316cd748f3b8979b38cbaee6...
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.