OpenTechnical

OT-2026-000071304

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000071304) never changes.

Identity and time

Publication numberOT-2026-000071304 · never reused
Internal UUID01a0ae91-e0ec-78ac-8ee3-c35345141b15 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071304
StatusPUBLIC

Content hashes

Canonical text3e54e4198fab80ca04af27cb4167b4f6fd4e5a7f903dc57d7d0ac609f96c363e
Markdowna9cc06e11fec229a29467720b918af8c73566cb58423889a77137950954c08ba
PDF
Publication pagead1c9e78215c31c1c76fc843ba453da749768095257e43fe057d2892c55b4590
Manifestc5a7686523031456b12be52c558b522f5f27b9ee776f0846a4a30724af0a5ffb

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
SignaturecU0Lg6G1kwcXn8BJ//VHnfcctKsz5yctuuQk8lHr9xa0ZcOvjOcgno3BLf5uGEFBSI44vqDBj/HgynZ6vhmKBw==
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

2026-09-17T10:24:53.447088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071304
observed ad1c9e78215c31c1c76fc843ba453da7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:53.427003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071304/manifest.json
observed c5a7686523031456b12be52c558b522f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:53.409215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071304/publication.md
observed a9cc06e11fec229a29467720b918af8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:53.390145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071304/publication.txt
observed 3e54e4198fab80ca04af27cb4167b4f6...
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.