OpenTechnical

OT-2026-000069547

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, 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-2026-000069547) never changes.

Identity and time

Publication numberOT-2026-000069547 · never reused
Internal UUID01a0ae90-b52b-7649-8c0e-44ddaedd4537 · 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-2026-000069547
StatusPUBLIC

Content hashes

Canonical textc5a9cb5bb82c1b570aa980992796fdeff2bd04a245f784937d5f641d5477d51a
Markdown43f0c01a5949c9d72c0b7d3ec8acb922753c7b39edea211d934e728bf0103a5c
PDF
Publication page10dc25cfaad755f258aca44f96be9f570306fd67fe19c2e9cdc3b7f5e567a07a
Manifestc90f255f1c407bc5732a95c7865211bdfa374a7cfac448b8eac301d00858530b

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
Signature9/QCvfsBjlGYCFe4glITSnX4EelAxL+6Lt4xpbq2hZsiucmQlwNcS9FH1gQRCueZ/dWti8pjDe9HPOIDAF0hCQ==
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

2026-09-17T10:30:39.544933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069547
observed 10dc25cfaad755f258aca44f96be9f57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:39.523148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069547/manifest.json
observed c90f255f1c407bc5732a95c7865211bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:39.504419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069547/publication.md
observed 43f0c01a5949c9d72c0b7d3ec8acb922...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:39.485762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069547/publication.txt
observed c5a9cb5bb82c1b570aa980992796fdef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:11.726423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069547
observed 10dc25cfaad755f258aca44f96be9f57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:11.706796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069547/manifest.json
observed c90f255f1c407bc5732a95c7865211bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:11.688467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069547/publication.md
observed 43f0c01a5949c9d72c0b7d3ec8acb922...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:11.671267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069547/publication.txt
observed c5a9cb5bb82c1b570aa980992796fdef...
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.