OpenTechnical

OT-2026-000010150

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000010150) never changes.

Identity and time

Publication numberOT-2026-000010150 · never reused
Internal UUID01a0ae6b-cb7a-7701-919c-09c9d9061405 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010150
StatusPUBLIC

Content hashes

Canonical text0e689621eda7d01e461d11a4c1e1cf43892ae7dab1d3efef2abe2156760c9510
Markdown0cfb35e5f3dbe321471c605a81c3083fdf6665e03d64a465b0b718d94510a1c7
PDF
Publication pageb9a0bb81e961b88fa1442ea80a296dc12ebfdb251c29634c8bca6549dbd7ca27
Manifestbb07af8d6e76a8d416939e34920a48b8f077b0525f274892df17cb6ff4c26fe7

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
SignaturejS+wZ9eLMRBF7X4O4UkJcPFXPafiZ7tjxxoB0gy9ttOK2slK2kXcOtGmZB0CkAOOf03zcc+6FcAqI4vWmYKOCQ==
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

2026-09-17T12:16:15.258408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010150
observed b9a0bb81e961b88fa1442ea80a296dc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:15.238073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010150/manifest.json
observed bb07af8d6e76a8d416939e34920a48b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:15.216040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010150/publication.md
observed 0cfb35e5f3dbe321471c605a81c3083f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:15.197109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010150/publication.txt
observed 0e689621eda7d01e461d11a4c1e1cf43...
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.