OpenTechnical

OT-2026-000061429

Publication integrity record

Single cup vacuum gripper, two 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-2026-000061429) never changes.

Identity and time

Publication numberOT-2026-000061429 · never reused
Internal UUID01a0ae8b-7b42-7c57-917f-7eca566ebf49 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061429
StatusPUBLIC

Content hashes

Canonical text52698b895040014bbad2425b0f51d5e6c2c6cee18aef2659fc08674a4e3f479c
Markdown2ae0b1ffc3926923046f78da2a35148a05c59d5c928d1ad35d88247856ef25bb
PDF
Publication pagea7a49cb70e9e7aa75d99d8a96baa03a648ee06810c12d2238fe52bf5f24ee1e1
Manifest22953ccbef6afcff8ec0dc74e66c292ba6817c9619ade28db8770f542edce99d

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
Signature3ukPkD82LEpp4QwzsLq1XiskPXPsFuFLIkPGRKcLVba4KkRwwOE8Il3dnnieId0A0MrYRtgZ8QLCB7LI97UOBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:18.226295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061429
observed a7a49cb70e9e7aa75d99d8a96baa03a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:18.208982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061429/manifest.json
observed 22953ccbef6afcff8ec0dc74e66c292b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:18.190824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061429/publication.md
observed 2ae0b1ffc3926923046f78da2a35148a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:18.169888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061429/publication.txt
observed 52698b895040014bbad2425b0f51d5e6...
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.