OpenTechnical

OT-2026-000075657

Publication integrity record

Foam pad vacuum gripper, two zone face, two stage ejector, 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-2026-000075657) never changes.

Identity and time

Publication numberOT-2026-000075657 · never reused
Internal UUID01a0ae94-29fd-7734-b4aa-2f456a624cd0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075657
StatusPUBLIC

Content hashes

Canonical textcb9041da45506a1a5e53f24c292ba1e4c87ca105a60156ecf1b0c30e79f28010
Markdown208638df832032b757cd73c91542b87ec27dfea1ddfb4fb2cf3a451de2e6f3db
PDF
Publication pagefc009bdb661b92168a1cdd1fe6ef92668d4af1923defa138a9b309c7f61bdf88
Manifest074a0900df452a25971b8f98dd848a714be511669d89b275ed47e13ee761ea75

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
SignatureVGTJBEqncDBRliiWUfiUXjr4BTySNFkmh76dzRLo8EsYLqxXhUSRc8T8Gsb9AZyK7IsRia7kmXXa/1erSe/jDA==
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

2026-09-17T10:13:44.484671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075657
observed fc009bdb661b92168a1cdd1fe6ef9266...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:44.464169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075657/manifest.json
observed 074a0900df452a25971b8f98dd848a71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:44.446103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075657/publication.md
observed 208638df832032b757cd73c91542b87e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:44.304430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075657/publication.txt
observed cb9041da45506a1a5e53f24c292ba1e4...
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.