OpenTechnical

OT-2026-000005650

Publication integrity record

Vacuum cup gripper, two outlet manifold, plant vacuum fed, contact triggered, vented after 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-2026-000005650) never changes.

Identity and time

Publication numberOT-2026-000005650 · never reused
Internal UUID01a0a940-3ac7-74f0-9eee-d61b10d0e826 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:05:53.994120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005650
StatusPUBLIC

Content hashes

Canonical text313d2df6db4cf3d76e77487aa264e2984308b171103be30d9b6845d6248bf549
Markdown1c2b1d2599f4591c8ed96c36b51c719bd846107aee339dad0dc2af35cd956be1
PDF
Publication pagea7c355ea0ce181858281717086b222e2774bed7c100227f2389b55138a238a74
Manifest34df73faf90a49c9f372acac21c2a231d0c8dc95ae54a4b196bedac7b5de5bd5

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
SignaturejHBQkcpE5gtPnNRKTSDstChpvJQIeNmYgF7Uw7BTp9fVCwRyJ0mG+1G1uf7XEEH9ckQGs4C55hOk9O4sfWqSCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:16.238269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005650
observed a7c355ea0ce181858281717086b222e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:16.224068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005650/manifest.json
observed 34df73faf90a49c9f372acac21c2a231...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:16.208659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005650/publication.md
observed 1c2b1d2599f4591c8ed96c36b51c719b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:16.193418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005650/publication.txt
observed 313d2df6db4cf3d76e77487aa264e298...
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.