OpenTechnical

OT-2026-000092735

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, pump fed, 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-2026-000092735) never changes.

Identity and time

Publication numberOT-2026-000092735 · never reused
Internal UUID01a0ae9d-b600-751d-afe0-383b258c5931 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092735
StatusPUBLIC

Content hashes

Canonical textf0b18ddc2cd8a83da437d4a8bb3b078abcdc2d5e2f5976eaeb6f44aa5c8581f0
Markdownf06541a8115f3e25ac774e89a9c8547863664770498d1e7785495825baa4f788
PDF
Publication pagef9bee2d6293e924587136102fea1b1568fc1d775494584edf063216532d033cb
Manifest81bc616fcc266099c5f469facaede64b3da3040b8c66ded1e6f064b159185839

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
SignatureWQbnItZtDCsn7m7Az8sC9c8reKXhqaCgyvVW29hC4LzXsI+7Jrj3teIt/pFFdPB7gaGHJFheHZvfABKPqdWWBA==
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

2026-09-17T09:41:21.616870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092735
observed f9bee2d6293e924587136102fea1b156...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:21.600447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092735/manifest.json
observed 81bc616fcc266099c5f469facaede64b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:21.581458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092735/publication.md
observed f06541a8115f3e25ac774e89a9c85478...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:21.563890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092735/publication.txt
observed f0b18ddc2cd8a83da437d4a8bb3b078a...
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.