OpenTechnical

OT-2026-000050623

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, three 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-2026-000050623) never changes.

Identity and time

Publication numberOT-2026-000050623 · never reused
Internal UUID01a0ae82-5c4a-710f-b7c5-b842e24eb679 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050623
StatusPUBLIC

Content hashes

Canonical text5264726685e8542d4481c265c1c1d06c468c74b594df12115392904038012d1a
Markdown4dcf7ff33d343bcf83d44c5920925ce9e9e341dcc4086fba5890d733f4cf1813
PDF
Publication page1cc73a28c837dca521cdc2ea8da798c284e79ceffaf3b3ed7f7b35ff060428b9
Manifestb6ae979b939803ac1c7957ec877bf82e46928f29be4eb17351f83e2cac9c12b3

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
SignatureiIy7hVuC+x61oXZFISn6PoF9trg8tHcz4tFD1lQbBu2GARjbEb7q49AJdjVZrO6BK1JkVE7aIZflw85zZ29hBg==
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

2026-09-17T11:01:44.173310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050623
observed 1cc73a28c837dca521cdc2ea8da798c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:44.156336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050623/manifest.json
observed b6ae979b939803ac1c7957ec877bf82e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:44.137468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050623/publication.md
observed 4dcf7ff33d343bcf83d44c5920925ce9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:44.117728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050623/publication.txt
observed 5264726685e8542d4481c265c1c1d06c...
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.