OpenTechnical

OT-2026-000060338

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-2026-000060338) never changes.

Identity and time

Publication numberOT-2026-000060338 · never reused
Internal UUID01a0ae8a-5a75-7ecf-90ad-37d37caa6ec2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060338
StatusPUBLIC

Content hashes

Canonical textc0e16d876697de55712ec538e88cd391d2ff98bd2b0303b173e4769b02d98399
Markdowncfb287da874a4c6cb4524ff56fb089d30c937ccaaa1c8b3d3bc600b98443cbf6
PDF
Publication page3acd39062ec1a9fa645396eda3f603a288d2b19c095938b8cbd5cfd2278dcc67
Manifestc8671e279309d2c29f5d59f71e4b76687412198cb73089c120df388290885c9e

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
SignatureGAkBr/ubxYgmZ9Jvj4736dvn9nXNLVoVz/zB1cv705jyVU056FTpWkVz1He0gYpRGi+63m5Cnq99Q/Xec644AA==
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

2026-09-17T10:44:04.142414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060338
observed 3acd39062ec1a9fa645396eda3f603a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:04.118829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060338/manifest.json
observed c8671e279309d2c29f5d59f71e4b7668...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:04.091691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060338/publication.md
observed cfb287da874a4c6cb4524ff56fb089d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:04.053487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060338/publication.txt
observed c0e16d876697de55712ec538e88cd391...
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.