OpenTechnical

OT-2026-000063316

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, sustained blow-off 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-2026-000063316) never changes.

Identity and time

Publication numberOT-2026-000063316 · never reused
Internal UUID01a0ae8c-f943-790b-921d-8022e8e9f32e · 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-2026-000063316
StatusPUBLIC

Content hashes

Canonical text91dc7d15d8e4f33d722df07f50ba7484dc667047769f6f6b6f2f42343906a7fd
Markdownd692d2536f1ccb6be5040b0d4a747db33ed7b984da2ec39d71964fe38ba8842e
PDF
Publication page1a5e0cd00681bdcee4747fb25a35fa0f32890e3d39042d31d60ba2d7d544846b
Manifest2908ff753573a7d46b7968c75214ace25e02805405883c9e4c490fb7764ed7bd

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
SignatureKzkt1RlgZim6oY88fReXdG+kAwGt38HlJ4T9XEaBaB+PxCADlQ7Up4BPyQai3/UXLfShGbqEtianPwNLprJXCA==
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

2026-09-17T10:37:12.419398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063316
observed 1a5e0cd00681bdcee4747fb25a35fa0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:12.401435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063316/manifest.json
observed 2908ff753573a7d46b7968c75214ace2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:12.383531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063316/publication.md
observed d692d2536f1ccb6be5040b0d4a747db3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:12.364950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063316/publication.txt
observed 91dc7d15d8e4f33d722df07f50ba7484...
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.