OpenTechnical

OT-2026-000010261

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, vented after 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-2026-000010261) never changes.

Identity and time

Publication numberOT-2026-000010261 · never reused
Internal UUID01a0ae6b-cb7b-71c3-9403-5d2ac4f3f10e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010261
StatusPUBLIC

Content hashes

Canonical text1eae7818d9d61ea50501e7561c961170b6ef41019215cd69373259776dfc9132
Markdown8eab3dd6b430c50696edb401dcfa923c30ec7684a7a988faac89270c9807851a
PDF
Publication page905f07fcb5f48e222631b3ee102c02e8f89ec233d03dbff7a1c78513ac6bb850
Manifestfecdb355d22bda94d640d2cd963064f6b3190b716936e1c3cd768ec9863f424d

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
SignatureD/D3sCvw7Zx55SI1ULaAfeOBEctSkLXUdhhDyCh+ETUSG6uU0+qyf9y18HTE7pmwTHksXFxkOvt8c7u5gtV2CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:16:28.974139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010261
observed 905f07fcb5f48e222631b3ee102c02e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:28.954957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010261/manifest.json
observed fecdb355d22bda94d640d2cd963064f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:28.935644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010261/publication.md
observed 8eab3dd6b430c50696edb401dcfa923c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:28.918002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010261/publication.txt
observed 1eae7818d9d61ea50501e7561c961170...
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.