OpenTechnical

OT-2026-000082813

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, sustained 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-2026-000082813) never changes.

Identity and time

Publication numberOT-2026-000082813 · never reused
Internal UUID01a0ae97-8cc9-7513-8587-af6d5e6d765d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082813
StatusPUBLIC

Content hashes

Canonical text8b433d9e129784f8bbb30b7a3d64fd0d262e5d75fd46ee8a8144f21730f1b132
Markdowna752fdfebb898b6ac883380faa0ab77275533f031787da56e9c81fd19560d4bc
PDF
Publication page75e2cfebd27af8ed6c4a96e0b2ccea34608b2f9cbea5089b99c34940ea150731
Manifestbba0b5c769a98e02524fe1d87aa486fdbe790f773a3b76ac9799e2fe523c78ad

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
SignaturelaaA1rQ5OgVj2nwrY5A/hoM4nhxzpg9HoQ7RCvofFBn//eWALHIydLCy8HSlXvOu9nAGVYkw5yZXMN1aoBxADw==
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

2026-09-17T09:58:24.537556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082813
observed 75e2cfebd27af8ed6c4a96e0b2ccea34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:24.518923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082813/manifest.json
observed bba0b5c769a98e02524fe1d87aa486fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:24.500982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082813/publication.md
observed a752fdfebb898b6ac883380faa0ab772...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:24.481747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082813/publication.txt
observed 8b433d9e129784f8bbb30b7a3d64fd0d...
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.