OpenTechnical

OT-2026-000044628

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-2026-000044628) never changes.

Identity and time

Publication numberOT-2026-000044628 · never reused
Internal UUID01a0ae7c-39d9-75b1-be31-d0ce04002968 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044628
StatusPUBLIC

Content hashes

Canonical text5272565f778ada948d8866135f0c350480b33ae56fe309a1717967df8b37ee92
Markdown49c5520d253af50eea860a71380f2a7cda0d98077f1f2a6d327fbcc33634c8b2
PDF
Publication page68297f078927793942de290c757032049cd95f55a47b12b9921e5b5312243480
Manifest6f390c86681efbcfbb464e72dab7154d4bedf4dcb6a1fb94303e98da863f8bc8

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
Signature4SnjyVx3xwcloE+jbDylPdpVS6Ox4gmaF1j74INx4uXgknrRGp46QarDO2Bdt24fP5inZdTSEy6cqkGPBDe5Dg==
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

2026-09-17T11:11:52.010461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044628
observed 68297f078927793942de290c75703204...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:51.991808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044628/manifest.json
observed 6f390c86681efbcfbb464e72dab7154d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:51.974801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044628/publication.md
observed 49c5520d253af50eea860a71380f2a7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:51.956817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044628/publication.txt
observed 5272565f778ada948d8866135f0c3504...
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.