OpenTechnical

OT-2026-000062418

Publication integrity record

Foam pad 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-2026-000062418) never changes.

Identity and time

Publication numberOT-2026-000062418 · never reused
Internal UUID01a0ae8c-0abf-7b01-a826-cc9d959f38ec · 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-2026-000062418
StatusPUBLIC

Content hashes

Canonical text893f509355af938b5b75d4bcee40d7a4fc2e6073463ab53e47641e89ff563d18
Markdown9b5e533c50ff4d44bc2524de99df03c6ef041a78d330de5f87e32f9789cc9ccc
PDF
Publication page1561f42cce814ab52b67611f6bf9973ff9710b9da1b37c080201cd6da0214b10
Manifest053d7a82abc374ddca41aeda6758f0794a83e21cf2b7d5c3501ea6bd1e9ef728

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
SignatureXy2/9MFAkyodn1dzArn5Ro3mCF4iLgRkYnAH5OsZB2793yOlRo5mZyb7wXvY9g8xsnHgPtnZf+zb9+rHnq2vAA==
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

2026-09-17T10:39:45.102317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062418
observed 1561f42cce814ab52b67611f6bf9973f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:45.085221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062418/manifest.json
observed 053d7a82abc374ddca41aeda6758f079...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:45.066899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062418/publication.md
observed 9b5e533c50ff4d44bc2524de99df03c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:45.047828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062418/publication.txt
observed 893f509355af938b5b75d4bcee40d7a4...
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.