OpenTechnical

OT-2026-000078612

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000078612) never changes.

Identity and time

Publication numberOT-2026-000078612 · never reused
Internal UUID01a0ae95-7c2a-7a7f-a0a5-a12d9a3b2c67 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078612
StatusPUBLIC

Content hashes

Canonical text6a15ec77ebc7da5c40b879b69e11b9f717b33420e20998de27b20bc6950d197b
Markdownace457288e2416d3fa7371d6a7d80d3d280cd56f008b6e164f684b4615f8a7b1
PDF
Publication pageb009f4ade01e1776b5f4ca2f8eb075f96f2730ab0821c68cf94055237a3542d8
Manifest37a3bf74042421c1dfa35a3839fdea255fde6854e4211aa6dd095166cf955dd9

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
SignatureMSD/MPrPGq3M9V4WYXz2e9UES9z9rVMrRpez+Ei2aXu/q6C9MWfsPEZt1rMHE8uLrQemzdV9Unetur0WLMrUBQ==
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

2026-09-17T10:06:38.874310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078612
observed b009f4ade01e1776b5f4ca2f8eb075f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:38.857148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078612/manifest.json
observed 37a3bf74042421c1dfa35a3839fdea25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:38.836455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078612/publication.md
observed ace457288e2416d3fa7371d6a7d80d3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:38.818378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078612/publication.txt
observed 6a15ec77ebc7da5c40b879b69e11b9f7...
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.