OpenTechnical

OT-2026-000042804

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, pulsed 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-2026-000042804) never changes.

Identity and time

Publication numberOT-2026-000042804 · never reused
Internal UUID01a0ae7a-c0d0-7349-86da-5e9b99fe357d · 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-2026-000042804
StatusPUBLIC

Content hashes

Canonical text92d58ef325537b413f4ecbc1f87514f01f4953a998f4e9cde70fdad3cc86294a
Markdownbb0535f096ddde8e74741c981615d72ea7ab3abbfc6fa84d1db637cf632504eb
PDF
Publication page9685530d79ca369d0b7b76a44b380725c807b2e6fba6b54e513240d12667a16d
Manifest5804698953eeb699fe3ab3924f7e7977c275773bafa7d40659bb2b6a651447c9

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
SignatureKbTECQT0fxtbYsnlgSAaFOo23VCfevHucg6FUKMtbD4ZUmghdTQ2oOJOT5w9a046fqrf5OI7exKunsijdBRXAQ==
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

2026-09-17T11:15:16.628255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042804
observed 9685530d79ca369d0b7b76a44b380725...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:16.606785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042804/manifest.json
observed 5804698953eeb699fe3ab3924f7e7977...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:16.580902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042804/publication.md
observed bb0535f096ddde8e74741c981615d72e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:16.561849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042804/publication.txt
observed 92d58ef325537b413f4ecbc1f87514f0...
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.