OpenTechnical

OT-2026-000080095

Publication integrity record

Foam pad vacuum gripper, four zone face, pump fed, 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-2026-000080095) never changes.

Identity and time

Publication numberOT-2026-000080095 · never reused
Internal UUID01a0ae96-4378-7842-b86a-68039b07e3ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080095
StatusPUBLIC

Content hashes

Canonical text6098d7ea90920579dca943e6675ed3ac6235aa9d6b1401ab697e3ea24bcdf2d0
Markdown373392bb1c31a7b22fd3b595388f5f8b6dd05e4612dc07d4d4386730d4f3d5e5
PDF
Publication page4135afade0aabfaa3e755e2de1807c53fde1c7205798eb6578965181e6852440
Manifestb31e96160300dce6c10f2587c7a75e70cc418a7744c9de0e492d7238128702b8

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
Signature5nXzpWd005xwy1Jq/ZbFbM1Lv2el290f8kiIwViKuo7jYr4Wh3qRobYMHLRk3KfXKocmKCCTWyKVwT0zvJ2FCg==
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

2026-09-17T10:04:02.048023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080095
observed 4135afade0aabfaa3e755e2de1807c53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:02.030095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080095/manifest.json
observed b31e96160300dce6c10f2587c7a75e70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:02.011428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080095/publication.md
observed 373392bb1c31a7b22fd3b595388f5f8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:01.992019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080095/publication.txt
observed 6098d7ea90920579dca943e6675ed3ac...
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.