OpenTechnical

OT-2026-000009302

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, sustained blow-off before 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-2026-000009302) never changes.

Identity and time

Publication numberOT-2026-000009302 · never reused
Internal UUID01a0ae6b-31ba-7f6b-ac19-cf7789568612 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009302
StatusPUBLIC

Content hashes

Canonical text02b9aad0e21cbd1745b97d47a1ece62902cf5008cf3e526cf6ddc8e5dce83497
Markdown18e76820df28af43f2fe0a307fdabe9255a81ed920179f4f6bf75f51551f9631
PDF
Publication page17401f2d2f09f8324436398292b430a8e2c3bb22e20606b5ada31377631707ce
Manifestaf715d601253e09d7080241865c6b2114dd83c99732becffc3512d4b6b5df16f

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
SignatureIy96eAnP6WooMmdozUZ5tSHmo8WZjxMOMW9OkKG5n3k8Uga4k/EWLFPLnOPpk9EcKTalYffyVcSXo6OQC77TAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:04.549580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009302
observed 17401f2d2f09f8324436398292b430a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:04.530864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009302/manifest.json
observed af715d601253e09d7080241865c6b211...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:04.512421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009302/publication.md
observed 18e76820df28af43f2fe0a307fdabe92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:04.493414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009302/publication.txt
observed 02b9aad0e21cbd1745b97d47a1ece629...
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.