OpenTechnical

OT-2026-000046691

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, single 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-2026-000046691) never changes.

Identity and time

Publication numberOT-2026-000046691 · never reused
Internal UUID01a0ae7e-57df-7091-898d-5eb2bc6eb391 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046691
StatusPUBLIC

Content hashes

Canonical text62bf993b56474b8f50c5c4a946d61633c0b92332c42c91ad4a6d88ce7ffba0f3
Markdown0442f16183fae6c928f69cdf52f42bb7285806f697e585b3e5d115debdecb7a3
PDF
Publication page7729ed7b9e8f4f672f2110659c6f2f30b6eb5aa745e58702cdd1bc35ba6c87a5
Manifestbecb8703af684719d38e4b98f0a4e5627a83fe7cc9797a2240a2f78869c027bb

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
Signatures9Yg2Jsg06yGGX/XPbDC1aAkuTdKPx0eUZMBYXc4Af8uOSrW8G/Fz6HnDS8IofgJqI/Uz+hujn2t4OIigYuZDg==
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

2026-09-17T11:08:54.326569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046691
observed 7729ed7b9e8f4f672f2110659c6f2f30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:54.307716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046691/manifest.json
observed becb8703af684719d38e4b98f0a4e562...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:54.286525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046691/publication.md
observed 0442f16183fae6c928f69cdf52f42bb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:54.260116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046691/publication.txt
observed 62bf993b56474b8f50c5c4a946d61633...
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.