OpenTechnical

OT-2026-000063541

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two 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-2026-000063541) never changes.

Identity and time

Publication numberOT-2026-000063541 · never reused
Internal UUID01a0ae8c-f945-7be6-9a66-e73ceffba408 · 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-2026-000063541
StatusPUBLIC

Content hashes

Canonical text5cce986b8a9dc30c80a94e0278108c3b2f806298fc803bbfc21601e4f0d1cec7
Markdown21d10c6a24315940b7a9760f6fb005a997b44727e0e692cc69ff0932276ea8c7
PDF
Publication page818431a130d409f0c9f7608a74bda049be0a4491f070051565fc4c94741f65de
Manifest54216dc51736524204d8f688152ef53792e6e3d07fe5d55a86d3ac32a1015eee

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
SignatureR/cCai4jOULklshByYXicSofaVwBBrz2gV9PhbUtCLYNDwANxNSTmXjuzO6Uc4dkaRh74FoBLn0qf+YCBOOADg==
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

2026-09-17T10:37:32.295735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063541
observed 818431a130d409f0c9f7608a74bda049...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:32.277932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063541/manifest.json
observed 54216dc51736524204d8f688152ef537...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:32.259460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063541/publication.md
observed 21d10c6a24315940b7a9760f6fb005a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:32.241457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063541/publication.txt
observed 5cce986b8a9dc30c80a94e0278108c3b...
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.