OpenTechnical

OT-2026-000053807

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, two stage ejector, supply line pressure sensor, 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-2026-000053807) never changes.

Identity and time

Publication numberOT-2026-000053807 · never reused
Internal UUID01a0ae85-735d-776b-bb3a-00a586521ab0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053807
StatusPUBLIC

Content hashes

Canonical text4409d219b5fd8a2262514db9eb3e27839189db65f92e4e59c7f9e0fef77e7d23
Markdown89625f3e34f81dd6d75e4d2b7d605a7de73cc7e919575d7b09985e960ec18ef6
PDF
Publication page4e949995705a9f629190f34801e0960196ac44501f8fe5c491cb12da96cb14d6
Manifest110e7930f7113dedc44007f106c8d03332dc545f492397aee38598db354e8702

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
SignatureFZR1sXWl85ZLldd29WvBqyIZ8/ts3QxbYCXTd6v+0s746tlSP0eTKPcdERYDt9rziaHJ5TmZMf/2DBjviVWsDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:40:31.812655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053807
observed 4e949995705a9f629190f34801e09601...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:31.781522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053807/manifest.json
observed 110e7930f7113dedc44007f106c8d033...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:31.755090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053807/publication.md
observed 89625f3e34f81dd6d75e4d2b7d605a7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:31.734955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053807/publication.txt
observed 4409d219b5fd8a2262514db9eb3e2783...
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.