OpenTechnical

OT-2026-000066211

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000066211) never changes.

Identity and time

Publication numberOT-2026-000066211 · never reused
Internal UUID01a0ae8e-8dc3-74ca-9787-7193a9f1777c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066211
StatusPUBLIC

Content hashes

Canonical text8400bbb93c27d8869c5a1bf16d12eba72fe8d631b6de28b8376df997247b9d79
Markdown2f5be19df11c9a7c7cf28f9b8035041d6d37253d23e527d2e17e83aff3ec9c47
PDF
Publication page2acee33c9b793291eee0f3bf34ea8c21a83d4451a2560d6e8bd51a6b0434299c
Manifestbaa2815e1cd8e5979d47ff8f7e2776f260049f07f4a2aede66690956bec53155

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
Signaturec+OVGyNItp46dVPvb5Guv5y3KIFkdsctKH/TJJ1SJ27Xi2nN33LniKtc7Pq9EaEFfYxDRevFMSe5RcSHxN8DBg==
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

2026-09-17T10:33:22.285873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066211
observed 2acee33c9b793291eee0f3bf34ea8c21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:22.268547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066211/manifest.json
observed baa2815e1cd8e5979d47ff8f7e2776f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:22.249829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066211/publication.md
observed 2f5be19df11c9a7c7cf28f9b8035041d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:22.232083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066211/publication.txt
observed 8400bbb93c27d8869c5a1bf16d12eba7...
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.