OpenTechnical

OT-2026-000073928

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, vented 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-2026-000073928) never changes.

Identity and time

Publication numberOT-2026-000073928 · never reused
Internal UUID01a0ae93-2b8e-7b01-83db-d6e9f0b7eb20 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073928
StatusPUBLIC

Content hashes

Canonical texte336367f9eafe978c00166780d351118e83dfc686aa452e15a9d42a7a81e1c6a
Markdown70a9ff79363dd7def21ca7a32f73c173a45f850a5cc1ef4c431c0ec95345e39e
PDF
Publication page695037892747448705fc3671c9cffeb6aecfa8d3780c3863cbc8fa4d600c3235
Manifestbb81ba7f34c7585324d95da0beff527e69c7baa039649c268ee2aa3dc081d4e3

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
SignaturecQ56jrnuqZufdxWEvX/9qdQOK0d8FOplnrjqVESrcPVOo1WOhYg3rsWEdgAbP5e42tgFN8ovSEQ1m4KmPdEOAA==
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

2026-09-17T10:20:12.554240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073928
observed 695037892747448705fc3671c9cffeb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:12.534922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073928/manifest.json
observed bb81ba7f34c7585324d95da0beff527e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:12.514482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073928/publication.md
observed 70a9ff79363dd7def21ca7a32f73c173...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:12.494185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073928/publication.txt
observed e336367f9eafe978c00166780d351118...
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.