OpenTechnical

OT-2026-000023826

Publication integrity record

Foam pad vacuum gripper, three stage ejector, 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-2026-000023826) never changes.

Identity and time

Publication numberOT-2026-000023826 · never reused
Internal UUID01a0ae70-aed5-7f8b-b575-21ff226639b2 · 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-2026-000023826
StatusPUBLIC

Content hashes

Canonical text29ceb7cf371b5bf6bf287c6baafb6c23215f72018e0956cfe9c60d481fb7d7cc
Markdowndd2fd409b4759c751777620a0bc685fff7424c81595cf2e2689435fb2fb900d5
PDF
Publication page456d483d0a00895adb84174bb713e9ba0f2a5bea3da2c22656b80aaf6982cc27
Manifestf057970d03e0c8892a0f4eafc59daba05825e2a06bd5fd6d40991231435d235d

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
SignatureEczymbaZOHwU0HnXc2PysjkrgAM+rG/WEU8+QOx5U25UkMFaRjNJO4yoogRH/uqvH+xfhA4V43jLK0aSvG+XCg==
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

2026-09-17T11:50:18.785726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023826
observed 456d483d0a00895adb84174bb713e9ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:18.768461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023826/manifest.json
observed f057970d03e0c8892a0f4eafc59daba0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:18.748622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023826/publication.md
observed dd2fd409b4759c751777620a0bc685ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:18.725225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023826/publication.txt
observed 29ceb7cf371b5bf6bf287c6baafb6c23...
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.