OpenTechnical

OT-2026-000101151

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three 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-2026-000101151) never changes.

Identity and time

Publication numberOT-2026-000101151 · never reused
Internal UUID01a0aea3-c378-7a96-8551-e213d2daa03e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101151
StatusPUBLIC

Content hashes

Canonical textcfd462ecd12b1c8f230cf5fb13b16c1094832cba05a782d4c1c26f596f4ccecf
Markdownba616cd2ca4477aa5f461ffcc880028eacdbd279639b8a222153d58da19b57c0
PDF
Publication page6971707ea1e07491f91e46260df9d7b34cce735e7367966a18dff9569141592c
Manifestf78f0bb37c73a5154518fb88ad02ea63dbbcac4c8c52db2415eac9d9d39d3293

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
Signature+FDkh5VBHmBJq+NfMPCbzUucgC1NhehkiFi13NKXUF7hElPYspARP1LZuoJ9DhtW/rVNi2+Pf7ZZsVzXRTfLBQ==
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

2026-09-17T09:26:47.219752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101151
observed 6971707ea1e07491f91e46260df9d7b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:47.201172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101151/manifest.json
observed f78f0bb37c73a5154518fb88ad02ea63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:47.182398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101151/publication.md
observed ba616cd2ca4477aa5f461ffcc880028e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:47.163513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101151/publication.txt
observed cfd462ecd12b1c8f230cf5fb13b16c10...
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.