OpenTechnical

OT-2026-000060680

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, sustained blow-off after 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-2026-000060680) never changes.

Identity and time

Publication numberOT-2026-000060680 · never reused
Internal UUID01a0ae8a-b7ce-71a6-b6a7-acc063e4ba59 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060680
StatusPUBLIC

Content hashes

Canonical text5102491428cd184bca3f98d4873ff9deb4411767187c653304a31f4d61e6cfbe
Markdown07048a6f571bd80fff988b30dcaa3422218af7875a0089d2bf55d071f66daeac
PDF
Publication page9afc58b427419a7c79988d560670e5e3fcb13643e8a35b932ee87441812aff6b
Manifest4b9108dc58461c44c03b435530440ca0b5465568412f73b850709b77f1dba12c

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
SignaturebDM4mN2iZjsscxSdA40voiNA0g0cCJjQSflxm73gdC5RXdN3nqAWEm5GoNp0FmpzHPAPsZ8MwGmp/3F0tQAADw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:19.344458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060680
observed 9afc58b427419a7c79988d560670e5e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:19.326395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060680/manifest.json
observed 4b9108dc58461c44c03b435530440ca0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:19.309307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060680/publication.md
observed 07048a6f571bd80fff988b30dcaa3422...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:19.292411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060680/publication.txt
observed 5102491428cd184bca3f98d4873ff9de...
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.