OpenTechnical

OT-2026-000022857

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000022857) never changes.

Identity and time

Publication numberOT-2026-000022857 · never reused
Internal UUID01a0ae70-46eb-7c24-835e-79628bd93395 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022857
StatusPUBLIC

Content hashes

Canonical text025c3755abc0bfe659809aa40cfcdf65551cc75d25b197f5990e24e4c14ff319
Markdown5fc568e8ae6d9a078b182e07b0a4266e8595e54f5cfb0704c5b9caa46fb8f5d2
PDF
Publication page2685f1c32c2f9817ba9645fe969c30c4fc0e4c98f7c4cee311d0c505f66c2b21
Manifestfdeb7879ca02ee6dda7e0ce30e3fe8f4304709dacc68af67a30229ebb4862d27

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
SignatureO9L0HmMyTbtAg4Ry2lF1j4Uz9ywgqZPEeGiOodj00w3fbdDy7WwvMO9R15+1wPP9U7TtAf2zOuQPlr7ovwq0Bg==
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

2026-09-17T11:52:23.826818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022857
observed 2685f1c32c2f9817ba9645fe969c30c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:23.810127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022857/manifest.json
observed fdeb7879ca02ee6dda7e0ce30e3fe8f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:23.794393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022857/publication.md
observed 5fc568e8ae6d9a078b182e07b0a4266e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:23.774756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022857/publication.txt
observed 025c3755abc0bfe659809aa40cfcdf65...
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.