OpenTechnical

OT-2026-000061425

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-2026-000061425) never changes.

Identity and time

Publication numberOT-2026-000061425 · never reused
Internal UUID01a0ae8b-7b42-796a-ba4a-fc30d63fafc9 · 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-2026-000061425
StatusPUBLIC

Content hashes

Canonical textdcb5c8e80380aa1d86c2bb36851d0f04de4b558a8c2c497ba414b137b528250f
Markdown7c631ad086e647b39efc9e74634d05ffcd54fe2fec1e2943acf63e9cd1072c5c
PDF
Publication page94ac281c72475c593807fc443c820a98b9c779af34afd0c95a606fdd50ac6b24
Manifest6b9712d91dccb4b9ecdfc89e106b06f53639866f14df9f5c603ea91c4966186e

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
Signature8d9xvnIBpQdt4RKA3i4ARSDViuaHAyebj8zNK5cVMJ2IK48jP9ZPIpdjT3YqiYHeZj4rJSjqXuqd5a0gHt+RDw==
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

2026-09-17T10:41:17.918862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061425
observed 94ac281c72475c593807fc443c820a98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:17.902498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061425/manifest.json
observed 6b9712d91dccb4b9ecdfc89e106b06f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:17.885711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061425/publication.md
observed 7c631ad086e647b39efc9e74634d05ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:17.868607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061425/publication.txt
observed dcb5c8e80380aa1d86c2bb36851d0f04...
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.