OpenTechnical

OT-2026-000103217

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, three stage ejector, pulsed 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-2026-000103217) never changes.

Identity and time

Publication numberOT-2026-000103217 · never reused
Internal UUID01a0aea4-be3f-7582-95c2-0808dded62d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103217
StatusPUBLIC

Content hashes

Canonical text75471d8df5809de879ffbdd7e4d6949acb5437d0c4a3dce452b4e06e56265a8f
Markdownad90f2b7495ea1d12e86fa584403781811b3a08028195a3616109377a991f5d1
PDF
Publication page6c9fe09e4588745a13934fcb796fc26c28f2ac8ea674ff4bd0e8a0bc4d4792b0
Manifest88819a115e3ba0b451ba19a23c5caf9c02d14fdef95720b0a8a324f2e92de083

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
SignatureFP+me/EDJGlYSmjhQ8eBQq8+8KRqmfbv1QNcK0rpjR0C+7WRsPhOkgcyu8sSUDX+dxmx1JR8kIojFDPDrLvuAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:26.790777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103217
observed 6c9fe09e4588745a13934fcb796fc26c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:26.772656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103217/manifest.json
observed 88819a115e3ba0b451ba19a23c5caf9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:26.754199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103217/publication.md
observed ad90f2b7495ea1d12e86fa5844037818...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:26.735481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103217/publication.txt
observed 75471d8df5809de879ffbdd7e4d6949a...
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.