OpenTechnical

OT-2026-000023827

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, three stage ejector, pulsed blow-off before set-down, on a tool changer

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-2026-000023827) never changes.

Identity and time

Publication numberOT-2026-000023827 · never reused
Internal UUID01a0ae70-aed5-760f-9404-ca1cfa7307e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023827
StatusPUBLIC

Content hashes

Canonical textf8b8057f9d35fa032568e2352ad644402788f17afe0befe4792e4daaa0ccc36e
Markdown51f4e10b2d48e3e341a8a5065611e2a8d6c94edc0e4a201769a5d26237e60ca6
PDF
Publication page59fdbfe65de623a7c9f12c92f36bdb3450a7482ee8c7d4889fc645da04a3b209
Manifest7eb1517f8d88a3ed1142c12c9e52758de4f38493036b291a483003c2ce5a06e6

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
SignaturexSThhqa4udD+IMoeXwegUPQtTQSDLCngx3/H08X1KJOUyS71eAJE4SwBiyTa3zBen+DAEz8rLCzgib/PPNUUDQ==
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

2026-09-17T11:50:18.859948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023827
observed 59fdbfe65de623a7c9f12c92f36bdb34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:18.841301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023827/manifest.json
observed 7eb1517f8d88a3ed1142c12c9e52758d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:18.824259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023827/publication.md
observed 51f4e10b2d48e3e341a8a5065611e2a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:18.803831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023827/publication.txt
observed f8b8057f9d35fa032568e2352ad64440...
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.