OpenTechnical

OT-2026-000041331

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000041331) never changes.

Identity and time

Publication numberOT-2026-000041331 · never reused
Internal UUID01a0ae79-b144-762c-bff5-a9f5b963c135 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041331
StatusPUBLIC

Content hashes

Canonical textd950103d4cf36c19afc12fad2732a0eee80d700c8824f57f29773a1385697186
Markdownfcabf8eb508a52ba87c7f0d7fb268aca532e2b00f161ebb47c26e37d850c872f
PDF
Publication page945afe371c4a1b223a2937f0f2be53aa88d27289e90bb796c9e58550b26560fa
Manifestb55e45e6d67351cfc54bc3de1679d9ec40b2832c141639193138d955985b0e52

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
Signaturecb84BojI2wN/YH9KwhmM+InhSgDMbJ1z/DhC1NZnTBBo4BpVBZkCtUT5CRplpQEohYxuRcimkA1RsGCkI+wVCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:17:19.478741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041331
observed 945afe371c4a1b223a2937f0f2be53aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:19.459404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041331/manifest.json
observed b55e45e6d67351cfc54bc3de1679d9ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:19.440640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041331/publication.md
observed fcabf8eb508a52ba87c7f0d7fb268aca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:19.423544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041331/publication.txt
observed d950103d4cf36c19afc12fad2732a0ee...
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.