OpenTechnical

OT-2026-000012310

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000012310) never changes.

Identity and time

Publication numberOT-2026-000012310 · never reused
Internal UUID01a0ae6d-39f5-7d77-9857-8bd5f142404e · 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-2026-000012310
StatusPUBLIC

Content hashes

Canonical textf865b22782e2f6cce29d2abfb90f7b47a5f09406c221614da108de038c00e61a
Markdown629916678e11c515609d286da2ee2281d33188cf58631c5d8db33e14aff3c3c8
PDF
Publication page7cb9fc4841ee894cf5910cee792be70e6746c800c2564941ee86cce2a4c5f2d2
Manifest15f509b142b256bf884dd3e82b1b71eaec41fdf88b0bdba27054ea187ff7fdd3

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
SignatureTaRgFvCcj0bhODAJFsUnmBJPtapJbBvATqJE1VWjf30fpAwmwF6cv+yBSAOcu89b8bvrYOp9yLx+ZJKldj86AQ==
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

2026-09-17T12:11:15.339681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012310
observed 7cb9fc4841ee894cf5910cee792be70e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:15.321381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012310/manifest.json
observed 15f509b142b256bf884dd3e82b1b71ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:15.303402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012310/publication.md
observed 629916678e11c515609d286da2ee2281...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:15.283870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012310/publication.txt
observed f865b22782e2f6cce29d2abfb90f7b47...
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.