OpenTechnical

OT-2026-000028666

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000028666) never changes.

Identity and time

Publication numberOT-2026-000028666 · never reused
Internal UUID01a0ae72-e2f9-7407-b4f9-22ad2a372e77 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:19.949572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028666
StatusPUBLIC

Content hashes

Canonical text9502c04db9a0c5422627bf63261c2a137ed9b4a3d7bc5fcbab69d386fc8e4849
Markdown3360e125fe1d190ed85c1f249931afef0d242ed4f36fb150d31505da5df42c1f
PDF
Publication pagea09f65de902a202bb6b6a2fd855f3114e0cc172cec56846768312587179e608c
Manifest3c0eceae3828632d3cc4852ca23c3d67462d12dca7f7e0543764bbdab516c3f7

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
Signature+BDuljmuPsgjYiBPg+06OAdISqInvOGV5xqwy/+XwSaZMsRteG70MgUSswZz90eYEiQpQWe6XlzMp5QqRaLsCQ==
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

2026-09-17T11:41:32.881374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028666
observed a09f65de902a202bb6b6a2fd855f3114...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:32.863500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028666/manifest.json
observed 3c0eceae3828632d3cc4852ca23c3d67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:32.843875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028666/publication.md
observed 3360e125fe1d190ed85c1f249931afef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:32.824029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028666/publication.txt
observed 9502c04db9a0c5422627bf63261c2a13...
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.