OpenTechnical

OT-2026-000085610

Publication integrity record

Foam pad vacuum gripper, two zone face, three stage ejector, 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-2026-000085610) never changes.

Identity and time

Publication numberOT-2026-000085610 · never reused
Internal UUID01a0ae99-aaad-7d0a-a4b5-f64f50d11336 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085610
StatusPUBLIC

Content hashes

Canonical text4a2eb5836945fe3f279b6b1d1d2c83188f57565c066411415a1555426be457cf
Markdown41a3ae6aea3781719e615be7b37cb6857a5ac83a3eb63ecce1a30f1126062bda
PDF
Publication pagefda2bb6169c8818bacb32a5d8f033e95cbda7b4197c51190e18e58a2aedace47
Manifest9d5474ee8a96a1ea37f8e0f501265c4dcbb8d79d30c1c2da6002f9c02c7c6c96

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
SignatureYvsaJIkKXFEWe8Ro8G6QB8LSQM51wP40WKB6J9Ukw5LXBm72TB3XZoMxRlTCfcOS43ROiKtFYGEbICSABQk0Dw==
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

2026-09-17T09:54:29.383820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085610
observed fda2bb6169c8818bacb32a5d8f033e95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:29.365761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085610/manifest.json
observed 9d5474ee8a96a1ea37f8e0f501265c4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:29.347373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085610/publication.md
observed 41a3ae6aea3781719e615be7b37cb685...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:29.327992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085610/publication.txt
observed 4a2eb5836945fe3f279b6b1d1d2c8318...
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.