OpenTechnical

OT-2026-000043347

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000043347) never changes.

Identity and time

Publication numberOT-2026-000043347 · never reused
Internal UUID01a0ae7b-327e-7a58-ad4e-bc9b5228bc7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043347
StatusPUBLIC

Content hashes

Canonical text5cacf99760c22183bd85471e3195c219187d30143583b5ab51bbd8ba1ab4e33b
Markdownbdd151dfbea6cf0093ece4312461faf3d6338809b28ac7dd93dc4cb85c13e7b1
PDF
Publication pagead9e462d5da71ec40f957877a052160f3beb99b842a597cdb0929b40786217e7
Manifest4a388b7a4ee23176a8666c91022b651ec30f256a51d63c4b7179bb75c2502969

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
SignatureNfsv3JTOHOobsIP2rmkR6ZJMURe3GGq6//DrjFcS3iADC1nsnaXOnuPKBWuSw6MeX+/8lB5RdIlY1S3/oAGSAg==
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

2026-09-17T11:13:51.742211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043347
observed ad9e462d5da71ec40f957877a052160f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:51.723321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043347/manifest.json
observed 4a388b7a4ee23176a8666c91022b651e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:51.704882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043347/publication.md
observed bdd151dfbea6cf0093ece4312461faf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:51.676152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043347/publication.txt
observed 5cacf99760c22183bd85471e3195c219...
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.