OpenTechnical

OT-2026-000059760

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, sustained blow-off after 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-2026-000059760) never changes.

Identity and time

Publication numberOT-2026-000059760 · never reused
Internal UUID01a0ae89-ec25-71eb-ae0f-093002601c05 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059760
StatusPUBLIC

Content hashes

Canonical textfba4b867b0056836c98d5ab0f8c4a5c75750060f0dab03f21cc11b5ea0260503
Markdownfc3f81cf2636df44890e1d350f0facc0558c27323df798858e20f63ea8761b47
PDF
Publication page9dd179df82a4885f4c94909b479f5e02cb848f299fa92d6b901ddf44fe8f2152
Manifestd8c3981403d1c33e3fb33eb5d1d162910ff1c90b8796e94ce742cf32cfb23cf0

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
SignatureuVWFNQinWD9tlGL0+sZNes55EDcjtdC8UPj3X7zcOK6pHJPWgRRnZSfbGjT0Lo6XrJtolI8xL2nsFG3T1IxhBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:29.116123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059760
observed 9dd179df82a4885f4c94909b479f5e02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:29.097595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059760/manifest.json
observed d8c3981403d1c33e3fb33eb5d1d16291...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:29.078194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059760/publication.md
observed fc3f81cf2636df44890e1d350f0facc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:29.061418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059760/publication.txt
observed fba4b867b0056836c98d5ab0f8c4a5c7...
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.