OpenTechnical

OT-2026-000012150

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000012150) never changes.

Identity and time

Publication numberOT-2026-000012150 · never reused
Internal UUID01a0ae6d-39f4-7e10-be3e-a56f4aef0e0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012150
StatusPUBLIC

Content hashes

Canonical texte6e599465036cea8850956890118143941b4baf1c4fd23c1f7b0551398f7e268
Markdowna031033bf6ad170870b7210a7948ea066c1007a8b410c0debdce1b12ec113b28
PDF
Publication page85e7b554bd9fb9f68bce3b38c4ce5bb99eb56ce8834c5285454598fe4188d29f
Manifest6b869ced06247afa2fd54c9167b28e01d03d1c67b4d953d0eff89de042560496

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
Signature/qbsRNJX5CD6tYMNaaEk1u7+y6R1I6TG9XDDG4hlTeIg1Edl4h1qgioo+lQ32BPYLZ0RLTYtN3CDX/DCaW6UAw==
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

2026-09-17T12:11:02.714116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012150
observed 85e7b554bd9fb9f68bce3b38c4ce5bb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:02.691082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012150/manifest.json
observed 6b869ced06247afa2fd54c9167b28e01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:02.667511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012150/publication.md
observed a031033bf6ad170870b7210a7948ea06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:02.647124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012150/publication.txt
observed e6e599465036cea88509568901181439...
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.