OpenTechnical

OT-2026-000041750

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, sustained 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-2026-000041750) never changes.

Identity and time

Publication numberOT-2026-000041750 · never reused
Internal UUID01a0ae79-e8a2-7a66-b389-180f299805b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041750
StatusPUBLIC

Content hashes

Canonical texte0767a1666b0b57ea7d648cb73203b16ef0e801699d08b521eb471dce6952e1b
Markdown048f2ce1c99c174b5f63ef0812caadd63537320fe7ecfd7d663403269a271d2e
PDF
Publication pageb5bb2db2eca54b4ec33ee7e025e25f4fb9aea62474eefcbc5c3bfe2fd320fe22
Manifest3f3bee4c1da1ede8a70415d8a0941f16fffa6fb8c34f061c7fb10fc3dcbac799

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
Signaturekx6MHLVitudAwW6XzgVzNUn1ur5EuPDbw/ZN71QgZJ+yQ+D8VqMQ126s7J581d+HJQXl2j5rs8vicRtfT24QDw==
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

2026-09-17T11:16:35.683538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041750
observed b5bb2db2eca54b4ec33ee7e025e25f4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:35.665371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041750/manifest.json
observed 3f3bee4c1da1ede8a70415d8a0941f16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:35.647195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041750/publication.md
observed 048f2ce1c99c174b5f63ef0812caadd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:35.630316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041750/publication.txt
observed e0767a1666b0b57ea7d648cb73203b16...
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.