OpenTechnical

OT-2026-000090360

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, pressure sensor per zone, 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-2026-000090360) never changes.

Identity and time

Publication numberOT-2026-000090360 · never reused
Internal UUID01a0ae9c-7f2d-7980-845a-47e915745f9f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090360
StatusPUBLIC

Content hashes

Canonical text260e0063247556937a13cef2d5e0c085bebe4ece60b457ccb540459d0784c6a4
Markdownafce0a41e19edaac0b2bde3c6a812e6a1a1a815dd67e92224fd6af204a6a3e8e
PDF
Publication page67add16fd02783f4dba5e1696131ae0e0baf91680e836d019748dc838bc25ab3
Manifestaf7eef1f5e892cdf2b6c4d53b9bf8b70d346753874b183ae6b619d27156ad4cf

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
SignatureCr70OrfNuw2BoAzc6r6BlTCEXlACRxa/HEMBzm1PodDretshiFvU6nSOCqeEYfyeR3Ujb+ct0i7ddauA7LTlAQ==
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

2026-09-17T09:44:27.605479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090360
observed 67add16fd02783f4dba5e1696131ae0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:27.585714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090360/manifest.json
observed af7eef1f5e892cdf2b6c4d53b9bf8b70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:27.567729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090360/publication.md
observed afce0a41e19edaac0b2bde3c6a812e6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:27.547974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090360/publication.txt
observed 260e0063247556937a13cef2d5e0c085...
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.