OpenTechnical

OT-2026-000087454

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three stage ejector, supply line 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-2026-000087454) never changes.

Identity and time

Publication numberOT-2026-000087454 · never reused
Internal UUID01a0ae9a-cd50-74bc-b7d8-a9eae2b4901a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087454
StatusPUBLIC

Content hashes

Canonical text7c35f1c372f2635c98230e895fa631691a1accf604e826ffdcab5da1813496ec
Markdown4e370656fbd06df9630241a36a74346f1b77c760d5ebfbc5aafbcaeafec2d62e
PDF
Publication page7ab77c7f0fbdf9d216d27b4d80dadb45bc6e7f92ad53ac30cb21d976d8715cbd
Manifestd21caf47927e5780a84da4b699e1d46a75e2060ba07e5c2c1fb4c2b1e2ccf236

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
SignatureBateZvLERJUgUGATzEB7Nx2wxM1fFJzdc7we4sbF+uvlOf6Hv7zK1aq6A2yGc8O91IajTV4QkqglNS9Bh4OXBQ==
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

2026-09-17T09:50:46.770365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087454
observed 7ab77c7f0fbdf9d216d27b4d80dadb45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:46.752210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087454/manifest.json
observed d21caf47927e5780a84da4b699e1d46a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:46.736623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087454/publication.md
observed 4e370656fbd06df9630241a36a74346f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:46.719949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087454/publication.txt
observed 7c35f1c372f2635c98230e895fa63169...
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.