OpenTechnical

OT-2026-000005646

Publication integrity record

Vacuum cup gripper, three outlet manifold, two stage ejector, pressure verified, rubber cups, flat form

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-2026-000005646) never changes.

Identity and time

Publication numberOT-2026-000005646 · never reused
Internal UUID01a0a940-198d-78cd-bc50-f67f54e6cd3c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:05:45.487657Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005646
StatusPUBLIC

Content hashes

Canonical text2e97c337a4634e7980a9f658c7c8726fde43eb6eeaab288de6e70a7059e0c320
Markdownec62a89364fcf1b283de3b8909c88b64f4cd3ffff2df6bd4f3f03ef7d8a05265
PDF
Publication page4c9f371600475d82bea19d90b93360ee7f3b3e2ee1cc05f443af6879fc74b238
Manifest5fe9569240fe483c64b86c7aa22aaf27a143c7427753b899affa741bb5245478

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
Signaturer8QsnBwiFgLrDOANpe2WxEi4qtzTxPbOPfC7Pe1KHxhBjh6doamN0rxMrZpMkHCbR67qu7X8IC6e4Ipes/GdDQ==
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

2026-09-16T08:10:16.713797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005646
observed 4c9f371600475d82bea19d90b93360ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:16.696704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005646/manifest.json
observed 5fe9569240fe483c64b86c7aa22aaf27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:16.683297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005646/publication.md
observed ec62a89364fcf1b283de3b8909c88b64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:16.669887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005646/publication.txt
observed 2e97c337a4634e7980a9f658c7c8726f...
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.