OpenTechnical

OT-2026-000098889

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000098889) never changes.

Identity and time

Publication numberOT-2026-000098889 · never reused
Internal UUID01a0aea2-8286-74e8-a14f-857c7a7319a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098889
StatusPUBLIC

Content hashes

Canonical textf56796ade2f9d943b012ad0f74e4b875d9ba93e015787f960aed270855851b46
Markdownc7b1ce5f7cd540b73a02c5ce1f606ffb3f5ba2ed760285f4ef0cccce4e6804d2
PDF
Publication page0a819a9a94949aae51f5b8b49b07a96616d477ae3fe69fa38562a1ee7638cd08
Manifestfb56f28ddeb49ed908b9d5ebc86fdde3ea73f1805ba8905f248292d1b65a0c57

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
SignaturejAZ4Y3A0xK9W7mmsqPPcUUNoLMXg94KZmU+yHhuzLLEL4ueIVBxgYFCvqL3yYhe92cgEgo/nqQMmJ0cPKHaFDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:56.615487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098889
observed 0a819a9a94949aae51f5b8b49b07a966...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:56.598950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098889/manifest.json
observed fb56f28ddeb49ed908b9d5ebc86fdde3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:56.546912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098889/publication.md
observed c7b1ce5f7cd540b73a02c5ce1f606ffb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:56.493585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098889/publication.txt
observed f56796ade2f9d943b012ad0f74e4b875...
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.