OpenTechnical

OT-2026-000089444

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three 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-2026-000089444) never changes.

Identity and time

Publication numberOT-2026-000089444 · never reused
Internal UUID01a0ae9b-db02-75cf-88b2-56261a8e688a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089444
StatusPUBLIC

Content hashes

Canonical textdefdcc5c7df1664b107d85658822e6da8d4639487dcdb017637faee6abe71d88
Markdown887f033353d137afcc3066ed436ebaec80eb8e549e8d8753ac3728c52e8512f1
PDF
Publication pageae4b5c31000ed43f566ca8a8c3f543d8e84c23bee6ebfbefcac78003b9ca21fc
Manifest550f6e67a638e1740e5553b4d468123e2a4dec24cc848348ab7cca72280b6ab6

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
SignatureeKjQPaFWKITfzwGfkzOKULHb78DusUqjk+GIh8b7Kazxqx2RsXe1lAdfdFFFFUwwpc2qNHhcZHUUVIhAp14kAQ==
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

2026-09-17T09:47:35.227789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089444
observed ae4b5c31000ed43f566ca8a8c3f543d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:35.210993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089444/manifest.json
observed 550f6e67a638e1740e5553b4d468123e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:35.193316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089444/publication.md
observed 887f033353d137afcc3066ed436ebaec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:35.176085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089444/publication.txt
observed defdcc5c7df1664b107d85658822e6da...
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.