OpenTechnical

OT-2026-000098971

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000098971) never changes.

Identity and time

Publication numberOT-2026-000098971 · never reused
Internal UUID01a0aea2-8286-7838-bb63-e16b2b8d5d78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098971
StatusPUBLIC

Content hashes

Canonical text1780b8d483e828d1939bcb46dfec679b51698bee8db0e13671d1eb36046ceedc
Markdown7f218520670839f3ea1b120be324f19a25ea75c18e069e830653eb8329dcf6c5
PDF
Publication page86495a13649e44b3090a721e937b032fce28b6a4f79a7d02a9b7770d01e5a8d5
Manifest8ea78cb7373f2148aad251112a5558408d5b0dca782c635f5b622cac1230ac1f

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
SignatureHVKqrPJPAEO5sBn4JqhYhpC7+4Z9IiKf4m2WUnJcx1wtWC4dDRNZ3SchebB1oi523UvhvqTtXP3l+97hjHrmDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:02.894008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098971
observed 86495a13649e44b3090a721e937b032f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:02.878730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098971/manifest.json
observed 8ea78cb7373f2148aad251112a555840...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:02.861837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098971/publication.md
observed 7f218520670839f3ea1b120be324f19a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:02.845782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098971/publication.txt
observed 1780b8d483e828d1939bcb46dfec679b...
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.