OpenTechnical

OT-2026-000090897

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pressure sensor per zone, sustained blow-off before 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-2026-000090897) never changes.

Identity and time

Publication numberOT-2026-000090897 · never reused
Internal UUID01a0ae9c-c011-7c66-b2e2-9007fb43a390 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090897
StatusPUBLIC

Content hashes

Canonical text35d96e3337b43b199b317d5a38e43062e3f7e2800ee16638e6d0de114631b4ef
Markdown41f48b4b46a582ebad2f803ac3b6f7f5ac70db9a5796565a8f890264f5699ba7
PDF
Publication page7a489e60b976a28287e5f9c1f8782aea11be38d10fef18761f176bcadbe75593
Manifeste46d239941f56a8ea4a2d782b73ea2041258dacb6b3340541db38b806650af52

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+ruUohGmMMbzU+CftyNJHbXalPkTbbr3RwzGlvW4GhMEZGMtBk80lFhjxl4M4KIdj2QgkHeazrVOLK2Fd4HYDw==
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

2026-09-17T09:44:06.058536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090897
observed 7a489e60b976a28287e5f9c1f8782aea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:06.040710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090897/manifest.json
observed e46d239941f56a8ea4a2d782b73ea204...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:06.022130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090897/publication.md
observed 41f48b4b46a582ebad2f803ac3b6f7f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:06.005135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090897/publication.txt
observed 35d96e3337b43b199b317d5a38e43062...
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.