OpenTechnical

OT-2026-000046452

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, 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-2026-000046452) never changes.

Identity and time

Publication numberOT-2026-000046452 · never reused
Internal UUID01a0ae7e-57dc-7360-8945-9cbaa2b94887 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046452
StatusPUBLIC

Content hashes

Canonical text6d6709be273fadaa12304b9d38680572c7268a3eedd2755154da06e799d176cd
Markdown6740d46c2446027121109afb74ef82d8ffa160ccd6c0ca7f3f90a90dc03ac5a8
PDF
Publication page6ce260cda3f16f2ac4ed8f3369dfc65c74d992ee3fbfc5938dc03551672f0a10
Manifesteb1cbd509514b7ab44ec6cf25e5701ed67fe4d3c8f5b4352df9c45278df84431

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
SignaturevbrZhQR52wpQbgT9AiC/PhVYlieCmk9WrwSslNcBOtgmdnLQiT1dbtfreJhvi0utY+nfeiP1BcbmX72WjKlpDA==
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

2026-09-17T11:08:28.538800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046452
observed 6ce260cda3f16f2ac4ed8f3369dfc65c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:28.521558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046452/manifest.json
observed eb1cbd509514b7ab44ec6cf25e5701ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:28.502774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046452/publication.md
observed 6740d46c2446027121109afb74ef82d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:28.482329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046452/publication.txt
observed 6d6709be273fadaa12304b9d38680572...
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.