OpenTechnical

OT-2026-000047734

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000047734) never changes.

Identity and time

Publication numberOT-2026-000047734 · never reused
Internal UUID01a0ae7f-c41f-7c52-b28c-4aa73b7f60da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047734
StatusPUBLIC

Content hashes

Canonical text3d5d707cc0729ec620cdb34b762c0ab048235b3484001685113318bbbde3cb3e
Markdown04b1fd63a42dee03bffaa08386812244f3665e592d381aaab4fe987cfdae3ca7
PDF
Publication page8d93a75b00e3f5e19c19cb12d940bb522d60cee7f5a9daf8a92a164b79307f7a
Manifest967826fc9db054157e77721b75da8f222b0ae5ee9bd9ef76cac261bcd4615ff0

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
SignatureJb/ObjmeQBNWQsz8g+nOl3g/Af/wm5DTkYYoCXjCQOYvxnzWcZYf2KEjrgTSAoWuVKH3DbfHz63QwqELzIl2CQ==
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

2026-09-17T11:05:36.481843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047734
observed 8d93a75b00e3f5e19c19cb12d940bb52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:36.463149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047734/manifest.json
observed 967826fc9db054157e77721b75da8f22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:36.444879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047734/publication.md
observed 04b1fd63a42dee03bffaa08386812244...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:36.426173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047734/publication.txt
observed 3d5d707cc0729ec620cdb34b762c0ab0...
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.