OpenTechnical

OT-2026-000072231

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000072231) never changes.

Identity and time

Publication numberOT-2026-000072231 · never reused
Internal UUID01a0ae92-47c2-7fff-b268-d368979d895c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072231
StatusPUBLIC

Content hashes

Canonical text2aa1244a0e8113e9e8076bc644bc3fd66bdd9519079ad539eafacca5a967652d
Markdownf722595729e0841cf2cb1985475dc2dc673701883a017c861dfe55c461eaf8de
PDF
Publication pagedc899739d92183ecfe35a11a61601c45fe72211a8d21eadd717788fab25b9f43
Manifestda49445c4c0555a2161510d34538a9abb542cd3e338a2eeaccb40c89d8f8251f

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
SignatureJXeIOnnQ0+CLIYRVadveEOvfFnHyU+HyVHfA30UC0ILWq9Y0eD0t+mMEIt3hKEoJnWFsbJmcyFKFI++IyYItAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:23:20.207033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072231
observed dc899739d92183ecfe35a11a61601c45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:20.187170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072231/manifest.json
observed da49445c4c0555a2161510d34538a9ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:20.166733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072231/publication.md
observed f722595729e0841cf2cb1985475dc2dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:20.149555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072231/publication.txt
observed 2aa1244a0e8113e9e8076bc644bc3fd6...
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.