OpenTechnical

OT-2026-000070748

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, vented before set-down

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-2026-000070748) never changes.

Identity and time

Publication numberOT-2026-000070748 · never reused
Internal UUID01a0ae91-8c2c-758a-bd81-af8d352f57cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070748
StatusPUBLIC

Content hashes

Canonical text4038073015566791e2e6579fa4e6169df1e2d5792fe70e519ec5c1bbadc713b1
Markdown9503446be51b8b0427c80f1966581144683a20c12c5c9e1057a4733637ef17a6
PDF
Publication pagefaba6dc9dc749cbe4ec34085a6f9e809f3796bc54cb24abb4b8d77aa674f17f0
Manifestab1c2f1021c2afe0fa7dda22fa3a9e991dcd606fcd69fc6575cd262cd265dd9b

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
SignatureWBLLAglkqxnNk3S8irUdwIqPG3LamlROLtgMVihyWHvtSxMLi1Jn7xOcm/g5/G/WNjsMr25ITeXCYr1EBfpWBg==
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

2026-09-17T10:25:26.656218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070748
observed faba6dc9dc749cbe4ec34085a6f9e809...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:26.636205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070748/manifest.json
observed ab1c2f1021c2afe0fa7dda22fa3a9e99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:26.619475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070748/publication.md
observed 9503446be51b8b0427c80f1966581144...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:26.600278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070748/publication.txt
observed 4038073015566791e2e6579fa4e6169d...
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.