OpenTechnical

OT-2026-000104040

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, 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-2026-000104040) never changes.

Identity and time

Publication numberOT-2026-000104040 · never reused
Internal UUID01a0aea5-341e-7818-94b9-fb7b342ed30a · 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-2026-000104040
StatusPUBLIC

Content hashes

Canonical textecc8696b91537ea9d15cca2e08ecc95aa9711c433068e1a6e8a62eb3bab35607
Markdown7ee1173e320697d91409f12bdd347ff4494c98df4e5b8c33e3bf537b2ad4ccdd
PDF
Publication page9bc19f8b573bd49010704d42b2fae0190f1dc8aad77e2cc682eefed49b1af2f3
Manifestd154297940bca4cbcc92f21ff032f9cd147338bdc561cfc47b591af61d5633f5

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
SignatureLjVLO7j0iPY0SY5HYB1KfHNWinWq1QYSVFT3FzN+9rd34i1RqYSQsBuYCtC4pWqtOAvcHvRKsEfszVdl7jElDg==
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

2026-09-17T09:20:06.311221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104040
observed 9bc19f8b573bd49010704d42b2fae019...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:06.294269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104040/manifest.json
observed d154297940bca4cbcc92f21ff032f9cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:06.274532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104040/publication.md
observed 7ee1173e320697d91409f12bdd347ff4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:06.255134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104040/publication.txt
observed ecc8696b91537ea9d15cca2e08ecc95a...
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.