OpenTechnical

OT-2026-000022074

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single stage ejector, sustained 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-2026-000022074) never changes.

Identity and time

Publication numberOT-2026-000022074 · never reused
Internal UUID01a0ae6f-bb5c-7ba3-8346-2e0b285a75ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022074
StatusPUBLIC

Content hashes

Canonical texta92fe59e571c92acad73e58924ec346c102bc2eff96137f80c39ef547ad72d60
Markdown45c10dfed590b0da5bd6047c24adcfb1acef6af0cd8a9c7ee885d7818c7b4467
PDF
Publication page92e27099e1d69e194457c8233ebf4659a4d40de37f2b0f18755a32d2c67f1f1c
Manifest8a4ecb2e2c01236fa8495465916db6a4c7b4846cf95a0acded5fa2f973e5b25c

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
Signaturezjmt/y/gl5LjAspM60ijeCiRA235vOD049OFDi5TiYZdaQt1mTzdY6yhEwqN/AnlQHvfzbTVmTqAZAW7VTkfDw==
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

2026-09-17T11:54:46.218795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022074
observed 92e27099e1d69e194457c8233ebf4659...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:46.201005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022074/manifest.json
observed 8a4ecb2e2c01236fa8495465916db6a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:46.180735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022074/publication.md
observed 45c10dfed590b0da5bd6047c24adcfb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:46.158982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022074/publication.txt
observed a92fe59e571c92acad73e58924ec346c...
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.