OpenTechnical

OT-2026-000033668

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000033668) never changes.

Identity and time

Publication numberOT-2026-000033668 · never reused
Internal UUID01a0ae75-a390-72ef-930c-1b014df665b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033668
StatusPUBLIC

Content hashes

Canonical text8c8ca088524f3892958dc705b3670a41aa73410fa0b5624a64d509302ec931c1
Markdown8005834d838ae766b87ed236168bdc88c9d95fac647d6e279ab1112116148aa9
PDF
Publication pageb06a192c1f72c859fd1a4dd37dc0387f1850bfcd8366c5be5b79c54d00873da1
Manifest1ee7fa2b053c8dfb5721aaa785af843db6482c2371f2533b722cf505a9984390

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
SignaturerkVY7qtlyvS3W0MZjAvP2eQU6QslrqYYtWTUwNChBKTWZXFojeUY0vW+mzsxMl22tsTgZzdenmGYGxm6HcbEBA==
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

2026-09-17T11:31:39.433914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033668
observed b06a192c1f72c859fd1a4dd37dc0387f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:39.416075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033668/manifest.json
observed 1ee7fa2b053c8dfb5721aaa785af843d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:39.399559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033668/publication.md
observed 8005834d838ae766b87ed236168bdc88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:39.380011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033668/publication.txt
observed 8c8ca088524f3892958dc705b3670a41...
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.