OpenTechnical

OT-2026-000095507

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single stage ejector, pressure sensor per zone, sustained 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-2026-000095507) never changes.

Identity and time

Publication numberOT-2026-000095507 · never reused
Internal UUID01a0ae9f-8f74-71cf-8e60-85b5941b841d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095507
StatusPUBLIC

Content hashes

Canonical textbbf1e74dcb0de70c305a1b7c2b38f9ded4659d880a16528238b403e9d9337df8
Markdowna6dbe4f08b9ce92b4c1df8186f44cc2c3b41594efb38a52d6c779c5b6f26d84c
PDF
Publication pagef083401c38bb265b45bea44098b30defba19502a96d334a5cad3f4eaab1dc690
Manifestb07ecd0f0e54da03deceed23c3d17c7664ad1324817638ed51cc1a1e11a63b14

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
SignatureLUyfJwbIQjoFH0V+9D1bjWaV1/Al4QY2RQQIKGxEGAAu2jM2wQzprcRIWo8UfOmOzjbNfoX6CgahwYZLqaSrDA==
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

2026-09-17T09:36:54.854073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095507
observed f083401c38bb265b45bea44098b30def...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:54.833888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095507/manifest.json
observed b07ecd0f0e54da03deceed23c3d17c76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:54.817050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095507/publication.md
observed a6dbe4f08b9ce92b4c1df8186f44cc2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:54.799317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095507/publication.txt
observed bbf1e74dcb0de70c305a1b7c2b38f9de...
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.