OpenTechnical

OT-2026-000043928

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, pulsed 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-2026-000043928) never changes.

Identity and time

Publication numberOT-2026-000043928 · never reused
Internal UUID01a0ae7b-d678-7f84-ae80-c0ccea67337b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043928
StatusPUBLIC

Content hashes

Canonical text376cc354247280874ad486371d7b4eb5834110359d3694593dcf1ef0b72fe71c
Markdown1ff96043e103810e6eb407c7122c11baf2c7c59092aa32ffba861637d9f0b039
PDF
Publication page0d70edc5f16ecb77fa1012527e0531980176e49e48567a485babfe230b182be4
Manifestef7b9756baf6e15ff4521deac3a5cd116bcbbcddda5f414105fe822cb4b2796e

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
SignatureL2jX2Vr9iNSv8N1op3iGDyGJHNxqiBh99zBHJ2NWKHVqe1PRN7paJ9a3ct4JspSxlgNqZP+BuJ4XidUct/nlBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:12:16.532160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043928
observed 0d70edc5f16ecb77fa1012527e053198...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:16.514278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043928/manifest.json
observed ef7b9756baf6e15ff4521deac3a5cd11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:16.496425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043928/publication.md
observed 1ff96043e103810e6eb407c7122c11ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:16.477003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043928/publication.txt
observed 376cc354247280874ad486371d7b4eb5...
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.