OpenTechnical

OT-2026-000087961

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, single stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000087961) never changes.

Identity and time

Publication numberOT-2026-000087961 · never reused
Internal UUID01a0ae9b-1aa6-74ab-a056-23713b89c184 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087961
StatusPUBLIC

Content hashes

Canonical text1ee832ad3f2f40963e21277b59ed009adc3ba20442365fa9d326b39c2dff1ee1
Markdown671e09f98286183aed2c4e7223d1ec0f3f62bcec879e100f5d44ef788f8ceb67
PDF
Publication pageb697e4f5ccd1e8eae34f047a623b93d18e413ec06995723b7b025f8a6c5d09da
Manifestd226e7020bb0cd8e128d025a2cce2a53a554b932d76228de28e5f46a01836380

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
SignaturexEK2MiuDtD1cd+r0EbohAVhE18VkC58VMjwfHWUQEKoQOrFXbmoEe1+BvESlYQgkF1hFw3XIzZIoVGGeb72eAQ==
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

2026-09-17T09:49:15.263533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087961
observed b697e4f5ccd1e8eae34f047a623b93d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:15.246506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087961/manifest.json
observed d226e7020bb0cd8e128d025a2cce2a53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:15.229117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087961/publication.md
observed 671e09f98286183aed2c4e7223d1ec0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:15.210358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087961/publication.txt
observed 1ee832ad3f2f40963e21277b59ed009a...
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.