OpenTechnical

OT-2026-000024100

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, supply line 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-2026-000024100) never changes.

Identity and time

Publication numberOT-2026-000024100 · never reused
Internal UUID01a0ae70-aed7-795b-8096-d7d02a84f312 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024100
StatusPUBLIC

Content hashes

Canonical textb1eb1aa05716c8ce30beaa5324506caed52bceebadc35cbe3fe71a8ab24857cf
Markdown68b2483b4442631e6c203c446506e96394e473d4e6ff50fa49a49d3df962f21b
PDF
Publication page7785bd0cdfd37610c1da19fd7a3c4512fc2dda74865d88ac438845be9e4f4403
Manifesta45ff275fec227c8c90efc0c7097b5f900e5e1bf2af67688927296e8104fd991

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
SignaturenOj+XsvwtGO0NjFRMrHMyAOQNeq2Pg5JBOXwMON6Y1tTmJGtptFIPjq9DVg9xTs3VnIKlEiUZ4pmae9aE+GBBQ==
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

2026-09-17T11:51:01.207421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024100
observed 7785bd0cdfd37610c1da19fd7a3c4512...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:01.190564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024100/manifest.json
observed a45ff275fec227c8c90efc0c7097b5f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:01.171907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024100/publication.md
observed 68b2483b4442631e6c203c446506e963...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:01.154873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024100/publication.txt
observed b1eb1aa05716c8ce30beaa5324506cae...
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.