OpenTechnical

OT-2026-000099850

Publication integrity record

Foam pad vacuum gripper, four zone face, single stage ejector, pressure sensor per zone, sustained 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-2026-000099850) never changes.

Identity and time

Publication numberOT-2026-000099850 · never reused
Internal UUID01a0aea3-1473-7a71-b007-62bf7a715ca3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099850
StatusPUBLIC

Content hashes

Canonical texteae7d000001bed097cecf69e3e173fab7165bbfbdf0d75336bd0773866c81ed4
Markdown59df099228c5f1efe33c9bffdad9c27d05b34c9b971e2ea800e8eb98f5768253
PDF
Publication page256f3137b80d1e2b3459ad24e685ce11109d4039214656772d85b583c175f097
Manifestaedcfa8b5c4355d6087d41bf4a7c05c94531eda37d680c4cc5e58a4c9bdad4cb

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
SignatureiT3Ng2BLy+Ex/ZA2aBylsr6JA+FHceU7vYBuItc3MDKsAF/8KhlScbSKWmmmP46PAAzm2EvbRCMm3U/slgdPBg==
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

2026-09-17T09:30:21.354217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099850
observed 256f3137b80d1e2b3459ad24e685ce11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:21.331018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099850/manifest.json
observed aedcfa8b5c4355d6087d41bf4a7c05c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:21.314152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099850/publication.md
observed 59df099228c5f1efe33c9bffdad9c27d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:21.292490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099850/publication.txt
observed eae7d000001bed097cecf69e3e173fab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:43.360697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099850
observed 256f3137b80d1e2b3459ad24e685ce11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:43.343602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099850/manifest.json
observed aedcfa8b5c4355d6087d41bf4a7c05c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:43.326448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099850/publication.md
observed 59df099228c5f1efe33c9bffdad9c27d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:43.308482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099850/publication.txt
observed eae7d000001bed097cecf69e3e173fab...
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.