OpenTechnical

OT-2026-000006637

Publication integrity record

Vacuum cup gripper, four outlet manifold, plant vacuum 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-2026-000006637) never changes.

Identity and time

Publication numberOT-2026-000006637 · never reused
Internal UUID01a0a962-3a6d-748c-a510-526319967f13 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:43:02.128635Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006637
StatusPUBLIC

Content hashes

Canonical textbbf79442ea48a3dad5d100a52f5429cc5ff82e8ab418e75a841778813e53925c
Markdown80dcba1fbe7852b979433ac372d755897c519cce6a3b1ce1bb681d5d8de7039c
PDF
Publication page14c930eddee61e16c7d7d805dfa513f2a3aa7e9fd7b5f26248b87278dd4643b6
Manifestd74ce039657edb5e7521442afbaff214318cbe7b4f609cac8c3f01d72a970e2d

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
SignatureADwWc5sKhk9nYemRpSEtjEuIH2i6ZscnmWSiXuMDgUujBzYd6cngE1vWEsv2dKwYH6BskUnQmrld4TskoTafAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:50:22.661174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006637
observed 14c930eddee61e16c7d7d805dfa513f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:22.647587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006637/manifest.json
observed d74ce039657edb5e7521442afbaff214...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:22.635504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006637/publication.md
observed 80dcba1fbe7852b979433ac372d75589...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:22.496211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006637/publication.txt
observed bbf79442ea48a3dad5d100a52f5429cc...
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.