OpenTechnical

OT-2026-000063341

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000063341) never changes.

Identity and time

Publication numberOT-2026-000063341 · never reused
Internal UUID01a0ae8c-f943-72ed-8132-6142638afd78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063341
StatusPUBLIC

Content hashes

Canonical text85f87289ec6d25d4bf36f93250fc01618c388e9f5d838e30b61d6877974ac42b
Markdownbe9e587b89f685d2956202f112f620e680f51a90e78fbd9b059af537c29688db
PDF
Publication pageab241a93405457ac77e03d789daebcaf27bec0d92a90e06e3da6e241276d100f
Manifestbcbb7a35a5b8c11fc5a15931c07932536bb983d1f987b3b64e11d81efb7e549e

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
Signature/0E5ml8x0tl2jFejDTwo3jN0EBqtqToKf2v3gInaWO9DL/KypWe1fJ31J8vaiJaMvnUnNsOl0JZiXvSs5u4eDw==
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

2026-09-17T10:37:14.349143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063341
observed ab241a93405457ac77e03d789daebcaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:14.329928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063341/manifest.json
observed bcbb7a35a5b8c11fc5a15931c0793253...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:14.313393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063341/publication.md
observed be9e587b89f685d2956202f112f620e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:14.294743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063341/publication.txt
observed 85f87289ec6d25d4bf36f93250fc0161...
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.