OpenTechnical

OT-2026-000081839

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, 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-2026-000081839) never changes.

Identity and time

Publication numberOT-2026-000081839 · never reused
Internal UUID01a0ae97-0f75-73b1-8f9a-d97bca9b918f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081839
StatusPUBLIC

Content hashes

Canonical text419a19974d4385648c119b63706235d494eae7d917043dc9393d8ad3583c36cb
Markdown5510fafdb5f2949d0ef6bbe3765de776ead09a4a382b03241a0d87220b83c259
PDF
Publication pagef5b03a2f7c7d625e93fe807d8c2626551e8f2d3b5fef2b9ad598449b4efa0e61
Manifestda104a00baea0194f3be0fdff1d191fa73a406156d980b76fe858428f4923c75

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
SignaturenJyKR3gxbHFkN5uks6kQUrkxrqJ4GRL9fJwDyIVY5nNdnAEr1Tn4pV8GwZvBl2OOfm+WgFolfuVfqoHAIxoNDg==
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

2026-09-17T09:59:57.105837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081839
observed f5b03a2f7c7d625e93fe807d8c262655...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:57.086954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081839/manifest.json
observed da104a00baea0194f3be0fdff1d191fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:57.068504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081839/publication.md
observed 5510fafdb5f2949d0ef6bbe3765de776...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:57.050869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081839/publication.txt
observed 419a19974d4385648c119b63706235d4...
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.