OpenTechnical

OT-2026-000042833

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, sustained 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-2026-000042833) never changes.

Identity and time

Publication numberOT-2026-000042833 · never reused
Internal UUID01a0ae7a-c0d0-7a39-8a44-f1aecc4c3c05 · 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-2026-000042833
StatusPUBLIC

Content hashes

Canonical text3200345e2752429741600becc33cdc0b1fee445bd4fcb60302d04ae955b85084
Markdown652e06a1e9517f33a8e40c96b8284a1ea01a1047c7ffbea2673913986a4ad430
PDF
Publication page8c005a975fc255a70333edc608ebcf874f79bc43864a3befbcb4dfa82b822412
Manifestb980cf82761a44b8e4bdf6f44215d686e673792dc0fa2fc4dbcb89f21aa2d54c

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
SignatureG/VW7TPaMCqn0AEgQ8NqzX18A9q4i4Fi7AYQrvXu2kllMzDsK57Lba/57ihH52d/9IGhBTI/Sb2uuEm9z64dCg==
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

2026-09-17T11:15:18.960886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042833
observed 8c005a975fc255a70333edc608ebcf87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:18.941801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042833/manifest.json
observed b980cf82761a44b8e4bdf6f44215d686...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:18.923137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042833/publication.md
observed 652e06a1e9517f33a8e40c96b8284a1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:18.904925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042833/publication.txt
observed 3200345e2752429741600becc33cdc0b...
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.