OpenTechnical

OT-2026-000062258

Publication integrity record

Foam pad vacuum gripper, three stage ejector, vented after 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-2026-000062258) never changes.

Identity and time

Publication numberOT-2026-000062258 · never reused
Internal UUID01a0ae8c-0abd-7c3d-97d3-b696f0a6a7c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062258
StatusPUBLIC

Content hashes

Canonical text4ec330ef6f2aaf2ec6770a9fca13ed58fb0bd3e3a9ab258b2436bb28ba8e2c7d
Markdown2975091048fdff3333801663d08fad6381a512016238a500410e4b7bf8b0e4cc
PDF
Publication page459e960b05b2812f7607d9365d19ef4921c8d714b683236b9e078f5b1a0f098f
Manifest41c03c747d8867a6d4b2eddf10a90283ce0080def8387ae61937dcf63705fcb0

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
SignatureadWJOj9Kjjc9W/FJRHBRsjz90/tgUA3K1XLhg4zgsu8+Dnb9pQvLcfGCfC0ppGE5W3N4QYPSXIdkAjHggs6yBA==
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

2026-09-17T10:39:32.276458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062258
observed 459e960b05b2812f7607d9365d19ef49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:32.259445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062258/manifest.json
observed 41c03c747d8867a6d4b2eddf10a90283...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:32.243856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062258/publication.md
observed 2975091048fdff3333801663d08fad63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:32.226709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062258/publication.txt
observed 4ec330ef6f2aaf2ec6770a9fca13ed58...
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.