OpenTechnical

OT-2026-000064488

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, 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-2026-000064488) never changes.

Identity and time

Publication numberOT-2026-000064488 · never reused
Internal UUID01a0ae8d-a461-751b-bb78-d9265b3be7b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064488
StatusPUBLIC

Content hashes

Canonical text503d735f4494d2188a94a3233c67edc26b03effb03d48207a00db44ee709990b
Markdownb9241c0a017b6c71a6625962e5a52bb3d627ee7fa018de7313f758ceb5936813
PDF
Publication page87f2d00033c2f0963f682432391af505abba199a95d9806b43eda7ec12012fb2
Manifestdea308f41045ebb1df940c4a3a8be33c90b15fa289d629ccab37bb5997ec2842

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
SignatureFsmVyQtNSDKnaffNPTWSE1HVdCX7T5EsLlOFCmhXutyoORgdKI3E4nBZQ3P5aA1ZFhze1tArfrECdXjpKAVCBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:36:41.135319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064488
observed 87f2d00033c2f0963f682432391af505...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:41.114800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064488/manifest.json
observed dea308f41045ebb1df940c4a3a8be33c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:41.094988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064488/publication.md
observed b9241c0a017b6c71a6625962e5a52bb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:41.076698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064488/publication.txt
observed 503d735f4494d2188a94a3233c67edc2...
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.