OpenTechnical

OT-2026-000017175

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, pulsed 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-2026-000017175) never changes.

Identity and time

Publication numberOT-2026-000017175 · never reused
Internal UUID01a0ae6e-76c7-7783-afa9-233fded67c6f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017175
StatusPUBLIC

Content hashes

Canonical text2c954912d6de44fd51d94a744d150ae02d728a25a3a0ace39f766f0b0744f0a3
Markdown21755413079b3298843495b5da9a4a3b11e3efd75d8569727decb214e87b611b
PDF
Publication pagec2f02d0d349dc5ad60fe8622e7b1ae667b64405cf02ed7d89d05c2d58b58bbfd
Manifest3024a1ff1cdf1e0958fff8da5b04d1e607e1840271b21ebe10fe4f7f3fd988bc

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
SignatureCv8aEgR5HktPtKSdidGXEjXl37Sz3hfgkZYAbCgEJrnCQPVyhTj0YnOBdm/AxDDoZvNI/DS+0brdytfrIn0QAQ==
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

2026-09-17T12:02:13.434372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017175
observed c2f02d0d349dc5ad60fe8622e7b1ae66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:13.415096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017175/manifest.json
observed 3024a1ff1cdf1e0958fff8da5b04d1e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:13.362637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017175/publication.md
observed 21755413079b3298843495b5da9a4a3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:13.313092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017175/publication.txt
observed 2c954912d6de44fd51d94a744d150ae0...
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.