OpenTechnical

OT-2026-000081817

Publication integrity record

Two bellows 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-2026-000081817) never changes.

Identity and time

Publication numberOT-2026-000081817 · never reused
Internal UUID01a0ae97-0f75-77c0-ba25-95e2d1570aad · 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-2026-000081817
StatusPUBLIC

Content hashes

Canonical text0a3fa7eef177059f856198c3e7dd96471acf9d682c2eca3f67129585b7492a7e
Markdownb8cde6a5a92ffa06b819084926721e3c8bfb016a257bdb77a31114263b10986e
PDF
Publication pageb9b16d61bc250215d2fd2870f78fa4716bc19c138aab1d9c48cc498f3707780b
Manifest80e16d866e1148629a68038cb47c86ec2a9e2140a1efb0a5002e417c2bbc6e8e

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
SignatureQig4QezxcJSO2FPXy26quT3xwkfDz/xYDqSRSx7F07Nq5UFodrFCCuvmvbzgXHwQI+ZzUxhCqenZXsh0no0jAw==
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

2026-09-17T09:59:55.371956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081817
observed b9b16d61bc250215d2fd2870f78fa471...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:55.354778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081817/manifest.json
observed 80e16d866e1148629a68038cb47c86ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:55.337778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081817/publication.md
observed b8cde6a5a92ffa06b819084926721e3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:55.319391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081817/publication.txt
observed 0a3fa7eef177059f856198c3e7dd9647...
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.