OpenTechnical

OT-2026-000063174

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000063174) never changes.

Identity and time

Publication numberOT-2026-000063174 · never reused
Internal UUID01a0ae8c-94ab-7c83-8187-b2fd1c85163a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063174
StatusPUBLIC

Content hashes

Canonical textb229deb63edcfea226e341ecfb5ec5cf315044aaf202d06bbdfba81d4390b497
Markdown84968c90ea4c93554760f5b7fbd4cf37d3968befa71e8803f96e35eb70c91642
PDF
Publication page9ca35fb8780613cdecf47eff464346ff49a0e67a413a4f1e58c6227b843fed17
Manifest38e6ed7e25bfd48eee2911774432b36cf552d6cda63b27df65edd4ba6d991dd9

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
SignaturekvG+sOb16oH8ryvKGBim/qPHPEMUxZBguiAoF1JkUkrN6SMZ7ucBTldsx2OFQPrjzxKc+0/gVr7I0MAyoMk7DQ==
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

2026-09-17T10:38:57.997828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063174
observed 9ca35fb8780613cdecf47eff464346ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:57.981596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063174/manifest.json
observed 38e6ed7e25bfd48eee2911774432b36c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:57.965303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063174/publication.md
observed 84968c90ea4c93554760f5b7fbd4cf37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:57.949373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063174/publication.txt
observed b229deb63edcfea226e341ecfb5ec5cf...
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.