OpenTechnical

OT-2026-000075606

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, 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-2026-000075606) never changes.

Identity and time

Publication numberOT-2026-000075606 · never reused
Internal UUID01a0ae94-29fd-740b-b011-c9f3ecaaa371 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075606
StatusPUBLIC

Content hashes

Canonical text1221b5bda02edb78a82352e48ff182ac9b001474185aabe6e2ddf139440a3b3b
Markdownf585dc3892e6433a36dcbfcb20239e86129757c041c4c85a01e01febceca59f0
PDF
Publication page9d7144e892af5625c833fa6ecbebb664a624ad46d52518a6b4a93e01b7acb835
Manifest1fb6a53bd93f545e71c1d2a89e812a8a9890df8a0dbbf66ae2def066e6057c71

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
SignatureOR9/RFl772qxNH5yJv1qCMhYmrLJyLKq8Xx/mxnMt5RQHeauGpd0X423g/8DqJAVsN2vAayrSUE+p99egK06DA==
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

2026-09-17T10:13:17.703007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075606
observed 9d7144e892af5625c833fa6ecbebb664...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:17.562113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075606/manifest.json
observed 1fb6a53bd93f545e71c1d2a89e812a8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:17.542055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075606/publication.md
observed f585dc3892e6433a36dcbfcb20239e86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:17.516385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075606/publication.txt
observed 1221b5bda02edb78a82352e48ff182ac...
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.