OpenTechnical

OT-2026-000099888

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, pressure sensor per zone, 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-2026-000099888) never changes.

Identity and time

Publication numberOT-2026-000099888 · never reused
Internal UUID01a0aea3-1473-79ea-ba43-daa08d073f34 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099888
StatusPUBLIC

Content hashes

Canonical text31ee38bc4c9f1d64a92e1dc702be0454c890eda4f84f5920083553bf4ec7ab3b
Markdown533f6989daa3d2fa1aa4e5497986042cda339576890c48a64389d55385ff3d32
PDF
Publication pageb4d949902c7a1c212183327d718bb431bd607edb3968a7ba4cd6ba1ef6f5f525
Manifest02c9c45be87addb58a43b40d0aa2162d71b6944a604037ee0cbba0253a7fa614

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
Signature8cZ6ASp5Fck+us8tkY3UQ5KW9vIvMQe8d8RAGsq8EQq98XqAGcovWK/qnmoz3P5oSrN2tr0WY51NUcZd0RgDDA==
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

2026-09-17T09:30:31.140716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099888
observed b4d949902c7a1c212183327d718bb431...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:31.122428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099888/manifest.json
observed 02c9c45be87addb58a43b40d0aa2162d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:31.105149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099888/publication.md
observed 533f6989daa3d2fa1aa4e5497986042c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:31.083730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099888/publication.txt
observed 31ee38bc4c9f1d64a92e1dc702be0454...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:46.848686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099888
observed b4d949902c7a1c212183327d718bb431...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:46.827296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099888/manifest.json
observed 02c9c45be87addb58a43b40d0aa2162d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:46.807934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099888/publication.md
observed 533f6989daa3d2fa1aa4e5497986042c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:46.788548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099888/publication.txt
observed 31ee38bc4c9f1d64a92e1dc702be0454...
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.