OpenTechnical

OT-2026-000103365

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, pulsed blow-off after 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-2026-000103365) never changes.

Identity and time

Publication numberOT-2026-000103365 · never reused
Internal UUID01a0aea4-e45f-7d9b-bae8-abe79d6a4e1f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103365
StatusPUBLIC

Content hashes

Canonical text386154cd3e4df8f5e489188a40bf13808125b32cedda84b18555eabec332e7a0
Markdownfe5369e1bbaf47e3dc6d00e9d7729bdb15fc9cde0fbd1f16cafc60520508827e
PDF
Publication page4433ae82a31a053d87f378f8f68e50ece053ca7ce239eb1807117cc1b56e36e1
Manifestd8f3132ad7d3498157809e72a7e5226b3867aa8c92b3edbb4bfa54294c9aff0a

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
Signatureu4ZIXLhR4QaJ8rjaELX/GO4pPnYo2h/g74gK6nPXtZ8KZ/zyb2sZGHT389Dv1fqr7J7HCFnELr0hXKFBua09Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:06.039779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103365
observed 4433ae82a31a053d87f378f8f68e50ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:06.021921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103365/manifest.json
observed d8f3132ad7d3498157809e72a7e5226b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:06.004362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103365/publication.md
observed fe5369e1bbaf47e3dc6d00e9d7729bdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:05.986372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103365/publication.txt
observed 386154cd3e4df8f5e489188a40bf1380...
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.