OpenTechnical

OT-2026-000074333

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000074333) never changes.

Identity and time

Publication numberOT-2026-000074333 · never reused
Internal UUID01a0ae93-7179-7f96-8756-a0fea7908c90 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074333
StatusPUBLIC

Content hashes

Canonical text8a7035a98cf16b94eb59c1bb9466ab8eb40e7f8fc4d2f00fa48b7a729b11d00f
Markdowna74bca0c39e2d82dd6f43d654cff70319fc2ca146830f801d6c671f892a682f0
PDF
Publication page5006d234ecb54569efb0195c0496ef0cc7bb1c924f7997dd556d46f8ec180e52
Manifest17d3da36b84ff7e5530103dfc235161b005e696faaf34cf082797b0712557157

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
SignatureoVytPYtaZMc5V1Ko+IRg3mARd/cq5CVUpWBGZVXVhzlwZ0+HjMOALwy1EbbwEASjxzgOOdrO66lCB3DB7hjCDg==
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

2026-09-17T10:19:15.168406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074333
observed 5006d234ecb54569efb0195c0496ef0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:15.149773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074333/manifest.json
observed 17d3da36b84ff7e5530103dfc235161b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:15.131973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074333/publication.md
observed a74bca0c39e2d82dd6f43d654cff7031...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:15.112748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074333/publication.txt
observed 8a7035a98cf16b94eb59c1bb9466ab8e...
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.