OpenTechnical

OT-2026-000089980

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, manifold 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-2026-000089980) never changes.

Identity and time

Publication numberOT-2026-000089980 · never reused
Internal UUID01a0ae9c-428e-779b-8fe1-23799c2916a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089980
StatusPUBLIC

Content hashes

Canonical text8e95555520fdc1a2775528f36e71d480482f5737ae3749814ac17cff8687c6e2
Markdowndc60e1f056dcfdb12173d3e1c04bcf50437f38d411db489d5cb006f2c7e7695e
PDF
Publication page70077a2bb4c018ac6575837b97f61a7232f52c6dc7cb9d3e205157dcb77af037
Manifestfb6f7e2499b52ff54056eb218fcab420b749dc660633c0a99c2b10e8d219f668

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
SignatureNHKs16xG8uZUdNgJAU9C2NnUiyi8fR3OjL/35JRLLDxbL+KxbZB0/lYzlVVJ8IaNvG0bRFIS4Vs++3qnqT/eBg==
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

2026-09-17T09:45:02.306739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089980
observed 70077a2bb4c018ac6575837b97f61a72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:02.289108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089980/manifest.json
observed fb6f7e2499b52ff54056eb218fcab420...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:02.244326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089980/publication.md
observed dc60e1f056dcfdb12173d3e1c04bcf50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:02.201233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089980/publication.txt
observed 8e95555520fdc1a2775528f36e71d480...
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.