OpenTechnical

OT-2026-000067600

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000067600) never changes.

Identity and time

Publication numberOT-2026-000067600 · never reused
Internal UUID01a0ae8f-6bda-7175-807e-443443b961a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067600
StatusPUBLIC

Content hashes

Canonical text5092e3ee043a317fdf27bb2084ccd34f7d2c90adfd36ec23599464e7dc43d735
Markdown12b01e03bb05e4bd1374be07367e914698574da0da044f1ca0f2c358d67a4624
PDF
Publication page616c5097ae9313dbfabc3ba02ef8bc3a4db660b89297f0898b9da17193dd5f74
Manifestc4d7e334a27b1d1a52b0c620d057fa620d28091f2dc5cd4ef652998f4bffde3f

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
SignaturekzSnAi+bx+g/KcSVBjmY4AwZ4+gZcPjXRz30c6TQOdIKdzD5W5FYPOQwhuPgVJpHpQ3DrYltbEG4YJEzXQBJCA==
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

2026-09-17T10:31:55.061127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067600
observed 616c5097ae9313dbfabc3ba02ef8bc3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:55.043613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067600/manifest.json
observed c4d7e334a27b1d1a52b0c620d057fa62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:55.026210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067600/publication.md
observed 12b01e03bb05e4bd1374be07367e9146...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:55.009354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067600/publication.txt
observed 5092e3ee043a317fdf27bb2084ccd34f...
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.