OpenTechnical

OT-2026-000042658

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, sustained blow-off after 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-2026-000042658) never changes.

Identity and time

Publication numberOT-2026-000042658 · never reused
Internal UUID01a0ae7a-c0ce-7387-b10d-dd77bff6bca4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042658
StatusPUBLIC

Content hashes

Canonical textdd2452487a96c6e50a2ded7d139e196f5c63e35c2b5679c8ffe276a9877d675b
Markdowneaadd641c6752e9b4034d36739071ebd264e2602df66d4af94bc360f48452182
PDF
Publication page5ebde6727389e0a583c16d1fc7ee45e371d3f673be93509c62dcc5c7e4a34f3a
Manifesta35f701b840bb08721e41172b55bec7663178754a6a83d7266cae693d87053d2

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
Signature8PPOCZKMBb3wvaovCX+6bc0Xjp/a/SmhAZ1JrjjLt8tJwwFMA45ofUqGL4Am648mn0kGMHlhHuqepPSSqGsFDA==
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

2026-09-17T11:15:00.082822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042658
observed 5ebde6727389e0a583c16d1fc7ee45e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:00.064021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042658/manifest.json
observed a35f701b840bb08721e41172b55bec76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:00.046255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042658/publication.md
observed eaadd641c6752e9b4034d36739071ebd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:00.024959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042658/publication.txt
observed dd2452487a96c6e50a2ded7d139e196f...
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.