OpenTechnical

OT-2026-000023818

Publication integrity record

Foam pad vacuum gripper, three stage ejector, sustained 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-2026-000023818) never changes.

Identity and time

Publication numberOT-2026-000023818 · never reused
Internal UUID01a0ae70-aed5-7815-986b-8e8b10a56973 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023818
StatusPUBLIC

Content hashes

Canonical text637af779c0b38a3818944713bb8c84ef44baf03144184018a5bc0fe03f7afa54
Markdowne7391d75086c34816342cb63d7aaca4f538d38c483e45b6f02af1382f792de9d
PDF
Publication page41dc14e3855c8cccac9d357675cbdbde127271bcbc7c8329ecbbd9216e463722
Manifestdb6000015a525e5c3cc925683b7967700cfb7c37bb331f625c3df6c445dca7eb

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
Signature5zudQXeEyg+aweN5FeWr4etUFuZVmJufPkUI480GkKJWAK0VJOfvOb1JdxVpe/DFjp+x5A9wD1zgpPw2PrYYCA==
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

2026-09-17T11:50:18.129110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023818
observed 41dc14e3855c8cccac9d357675cbdbde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:18.106618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023818/manifest.json
observed db6000015a525e5c3cc925683b796770...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:18.086462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023818/publication.md
observed e7391d75086c34816342cb63d7aaca4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:18.065655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023818/publication.txt
observed 637af779c0b38a3818944713bb8c84ef...
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.