OpenTechnical

OT-2026-000076481

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000076481) never changes.

Identity and time

Publication numberOT-2026-000076481 · never reused
Internal UUID01a0ae94-6a71-7f3f-b85d-02cd127c9f5c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076481
StatusPUBLIC

Content hashes

Canonical textcc7e254ef483627c526e50d1ef24b70d59532be4ec99032125211fc1f3817125
Markdown2c8e27354c47d7e64a4c313ef131e6fb3367cf2cd56782afa107009555afbca3
PDF
Publication page7bac78b9c594edc4f5ebb8becdbb4dd13ac39b5cdc90e60c5c12df22802601ac
Manifestfaa346daee9c9ef934097fb0c333252f84ccbae8b850902e638ef78cc9c9e2dd

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
SignatureH6tMjyGhIpJ8FXjlcGGOFMxV4hY70p65LJcIGGCWjcF64eEnikLctjxqoiz2ahrdHfJOxz2WnwRYBB6NGu5VAA==
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

2026-09-17T10:12:41.787408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076481
observed 7bac78b9c594edc4f5ebb8becdbb4dd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:41.768968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076481/manifest.json
observed faa346daee9c9ef934097fb0c333252f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:41.749211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076481/publication.md
observed 2c8e27354c47d7e64a4c313ef131e6fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:41.729835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076481/publication.txt
observed cc7e254ef483627c526e50d1ef24b70d...
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.