OpenTechnical

OT-2026-000101909

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, single stage ejector, pulsed blow-off after 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-2026-000101909) never changes.

Identity and time

Publication numberOT-2026-000101909 · never reused
Internal UUID01a0aea4-50f1-7027-b9b0-516b9f096cb9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101909
StatusPUBLIC

Content hashes

Canonical textbe93f77b10bae6f35aa97b7824a708ce69fb4f4d6389c96e24634b6933d07df3
Markdownedfe3dcd4d7e78a186f7d6bd67d5abd707e4e9a80ce713dfe9cfa00e4250864c
PDF
Publication pageda0c9c452789ab39b9c6e26eb49cc87dfaf33b2aeb5ef17b66d106e70f778255
Manifest20ab47797575739aba346d0997d41e4270665b556c4990b7277163d42421f43a

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
SignatureMj9JVCA1S22aO8twOT3FIGtwDh1S8fq9kRg3epmzkNW5k/w6hZhs/3EnwBnhlXxLo0xCu5YLbDT91EJMVHibCw==
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

2026-09-17T09:24:31.418787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101909
observed da0c9c452789ab39b9c6e26eb49cc87d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:31.401134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101909/manifest.json
observed 20ab47797575739aba346d0997d41e42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:31.383521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101909/publication.md
observed edfe3dcd4d7e78a186f7d6bd67d5abd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:31.364918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101909/publication.txt
observed be93f77b10bae6f35aa97b7824a708ce...
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.