OpenTechnical

OT-2026-000099640

Publication integrity record

Foam pad vacuum gripper, two zone face, single stage ejector, pressure sensor per zone, 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-2026-000099640) never changes.

Identity and time

Publication numberOT-2026-000099640 · never reused
Internal UUID01a0aea2-c976-728f-a39f-8742c895754c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099640
StatusPUBLIC

Content hashes

Canonical text70aded4fd98f913b5664ef31f98f2e3ca072e6cd94cd4824af37ce6a78ccd61d
Markdownb0334ea1ad003866f1b09b5b79c48a39f6ebbea08023c16b325015c467dcc8ab
PDF
Publication page30b99482f883fe0c5f8e0a2eae5fa0cc72c69c20128c48632f47338a2e57c705
Manifest04fa14f8affe89d05532e9a03da8d01ce3eda16624b457cb88ff7b8fc69ccc87

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
SignatureV9myNIhcDqcT4KHWLTjACsDU300M5ZcdkLZ6Y85mHC22yYJ5a82d5nlRWU9zBgyn7escUTiFTbNtGOir1+OmAA==
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

2026-09-17T09:29:34.696406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099640
observed 30b99482f883fe0c5f8e0a2eae5fa0cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:34.678322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099640/manifest.json
observed 04fa14f8affe89d05532e9a03da8d01c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:34.660385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099640/publication.md
observed b0334ea1ad003866f1b09b5b79c48a39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:34.641290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099640/publication.txt
observed 70aded4fd98f913b5664ef31f98f2e3c...
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.