OpenTechnical

OT-2026-000086718

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two 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-2026-000086718) never changes.

Identity and time

Publication numberOT-2026-000086718 · never reused
Internal UUID01a0ae9a-2c99-727c-a15e-8361336cfe9e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086718
StatusPUBLIC

Content hashes

Canonical text906ded10cc2067b9aa9bd55ef5de97ac71f09dbc6e54ba37a979979282541511
Markdown6d63da4eee355b2e2a0dae6df75769c0c6fe73a5e5fd8e733f441a21650693e1
PDF
Publication page57235f45ecb25bf31e3f8dffdb10329ce1ca4c9d6cb600620cbd4c9f8df4cbae
Manifest6b2456cf12ae45eda79152d068807103b1b4e336e831ad54ab2c6830219ff884

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
SignatureagZOh1lMLlC2yMsRZKX8XsXUifXg+KXTcmRKg+TPmpv5sNZ5uQy+k/IT7ew9iR+FM95B4RdXmiqjPno/j90OBQ==
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

2026-09-17T09:52:35.659166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086718
observed 57235f45ecb25bf31e3f8dffdb10329c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:35.642337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086718/manifest.json
observed 6b2456cf12ae45eda79152d068807103...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:35.624353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086718/publication.md
observed 6d63da4eee355b2e2a0dae6df75769c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:35.604573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086718/publication.txt
observed 906ded10cc2067b9aa9bd55ef5de97ac...
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.