OpenTechnical

OT-2026-000020955

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, three stage ejector, pulsed 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-2026-000020955) never changes.

Identity and time

Publication numberOT-2026-000020955 · never reused
Internal UUID01a0ae6f-65e4-773d-bd1e-9c0d98061fdf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020955
StatusPUBLIC

Content hashes

Canonical textcb6ce529af14bd9a1ac61ee4e901e3bcb578dcba6fe15baf1dbf2975a8aafe66
Markdown4991382cd2779dc7e022002b6395fbcb3013aa946fcc8a80e2d6f0d32dddd273
PDF
Publication page50685c67d6bed4b0f5ce6f02e77b8639d5f0dbac8c73ace4639b38e242ed2904
Manifestfa83066abe5e8bf1d88166d88025f42e190a6f2d9b0265cf8375f3e3c63f4f24

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
Signaturemm3XxH3TcoF3MTWRe4vz+RJO+Tw6c68ff5nPQudRkQcnWMT7YR+HHf977uaum58hAE0DaTKlW4j13EghfKmNCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:56:05.890154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020955
observed 50685c67d6bed4b0f5ce6f02e77b8639...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:05.872013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020955/manifest.json
observed fa83066abe5e8bf1d88166d88025f42e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:05.854472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020955/publication.md
observed 4991382cd2779dc7e022002b6395fbcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:05.837722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020955/publication.txt
observed cb6ce529af14bd9a1ac61ee4e901e3bc...
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.