OpenTechnical

OT-2026-000060025

Publication integrity record

Six cup vacuum gripper, six outlet manifold, 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-2026-000060025) never changes.

Identity and time

Publication numberOT-2026-000060025 · never reused
Internal UUID01a0ae89-ec27-76dc-8c1f-2e9f86eb0cd7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060025
StatusPUBLIC

Content hashes

Canonical text60ad8afd33f1d9a983b5471b2359f4d934b5adacde666a5c3cbc10a9c68cde2b
Markdown2eeef67b6d1a31a8e04f095c1d704249c89e5f536fc6b8cd628582a18fd0b1ac
PDF
Publication page9bae816bafc893b747fafc3cfd6a47e8a282faf9e3122ea283b64d9c5af87eda
Manifest8aa176dada8374ee76b12b4dc4bdaba2c692b382d830987746c3d51f978d3913

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
Signaturej+oaqhJSWgXux9535S+4mqsHoV4a0E50ChSmlMhRfUJcdxOOtM/2uGgbsb4Y1dCL+93AUmrLgGNLNuZ24IYYDQ==
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

2026-09-17T10:44:49.455675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060025
observed 9bae816bafc893b747fafc3cfd6a47e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:49.435897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060025/manifest.json
observed 8aa176dada8374ee76b12b4dc4bdaba2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:49.417426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060025/publication.md
observed 2eeef67b6d1a31a8e04f095c1d704249...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:49.398161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060025/publication.txt
observed 60ad8afd33f1d9a983b5471b2359f4d9...
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.