OpenTechnical

OT-2026-000076747

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, three stage ejector, pressure sensor per zone, 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-2026-000076747) never changes.

Identity and time

Publication numberOT-2026-000076747 · never reused
Internal UUID01a0ae94-b06f-74c1-b3d5-98a2f6899b85 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076747
StatusPUBLIC

Content hashes

Canonical text1a1224a4be0a4be354e92496ee4cd428468ca13bf15287e24df78c1ca60cd6c5
Markdown27588cf8bef46cb9eb259b138c1da04ab03e304bee21dba91b233d90ed4aa9bf
PDF
Publication pagef2a476619624bb14539bab74d2a3db1ba65fc1e212657e0550bb6914f4102bcd
Manifeste9f1c3b81ea6d968f86e3f9477b6bfc9d722a66ae9607801933994636e309f22

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
SignaturedsY5BOi7HQo21AkgTz/KoHt4vclLaQqzN6fDgpr+NDt7as6RYy7ySyMyDZhVu8eVtDEJuTlwN/sZ9uehcNboCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:09:35.810431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076747
observed f2a476619624bb14539bab74d2a3db1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:35.785206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076747/manifest.json
observed e9f1c3b81ea6d968f86e3f9477b6bfc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:35.765905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076747/publication.md
observed 27588cf8bef46cb9eb259b138c1da04a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:35.740088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076747/publication.txt
observed 1a1224a4be0a4be354e92496ee4cd428...
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.