OpenTechnical

OT-2026-000040736

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000040736) never changes.

Identity and time

Publication numberOT-2026-000040736 · never reused
Internal UUID01a0ae79-6d0f-7bd3-83c7-55607e8d7d83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040736
StatusPUBLIC

Content hashes

Canonical text11e54c06eb8fbb72d9542787690dee2c4156b1facc59be1f0edff9911c0966ad
Markdown01120d015f8413f878dcc0733eff3325a471477eb69e3589e56f9db609a8a28b
PDF
Publication page50bb7329a1d9be505124550d19517740d99607f6bf07afd4e1a697a1d208385a
Manifest83c267f82050d071a9b1f733a2dbea5c14a4be9fe310bd15265f7e847d1cd65e

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
SignaturehxKAwp3x/fr22kxdneZ44tvE4b5kOWy7O2hcB1ud9A1kpBpCSslZjRG0SrBBqz1BjwVE/WNVwJZdmRBSpl1ICA==
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

2026-09-17T11:18:00.524015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040736
observed 50bb7329a1d9be505124550d19517740...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:00.506090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040736/manifest.json
observed 83c267f82050d071a9b1f733a2dbea5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:00.488400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040736/publication.md
observed 01120d015f8413f878dcc0733eff3325...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:00.471611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040736/publication.txt
observed 11e54c06eb8fbb72d9542787690dee2c...
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.