OpenTechnical

OT-2026-000091560

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000091560) never changes.

Identity and time

Publication numberOT-2026-000091560 · never reused
Internal UUID01a0ae9c-f16e-7c9e-8c86-ba0826b1e9ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091560
StatusPUBLIC

Content hashes

Canonical textc432ef532724d17fe1cb9b1f8b9e261044e5d3e60bae45323b78c652e4907d9c
Markdowna457524fa8bd1ad877c781a0be4d3204dae9f8ad2b2e12525b186ca0a23a71e6
PDF
Publication pagedd3b9ee3b90333f3903524241a4fcc58873fd680951e42f22a505905d1d7b38f
Manifestadd8de9285a772d1f5fab7bdc48ecfa79406035b5698ed21b238ac470572c296

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
SignaturePuN4QrE4jFLJlnFJQX/EkZB7QKk0yPPe5XWWGwV05h+1gazivh3UBithhvp+TltosyIysohRMGxPMfP/dh9TCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:43:49.784687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091560
observed dd3b9ee3b90333f3903524241a4fcc58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:49.768864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091560/manifest.json
observed add8de9285a772d1f5fab7bdc48ecfa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:49.753222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091560/publication.md
observed a457524fa8bd1ad877c781a0be4d3204...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:49.737350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091560/publication.txt
observed c432ef532724d17fe1cb9b1f8b9e2610...
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.