OpenTechnical

OT-2026-000083158

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000083158) never changes.

Identity and time

Publication numberOT-2026-000083158 · never reused
Internal UUID01a0ae97-c962-7c54-b5ba-a5f34fef7ee6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083158
StatusPUBLIC

Content hashes

Canonical text5b4557147652e5a5a76f84bf9e3926872e56bbfe0bf2cfe660a12260480bf41d
Markdown6015a536f2d5ab39cd593f8108bf6557d686912eef13e72421182adbae5bca20
PDF
Publication pagefefc98d2ceb766d8792e03284470297a6e512ddb79fb3c3429fe7316e3134c8a
Manifest1eee5a130441b1084b9bd7b9f287f005b80f0f5ec9f7d21aeebffb02d941961c

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
Signatureg8J+Zw58ixPVc3ZHecLyP0W7hczA+MBwntwkFOXTxFoHwnYefB2UzK9BZBAb1IWOCh0tIjIFLKP9C/+tRxATDA==
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

2026-09-17T09:00:54.874911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083158
observed fefc98d2ceb766d8792e03284470297a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:54.855075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083158/manifest.json
observed 1eee5a130441b1084b9bd7b9f287f005...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:54.837290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083158/publication.md
observed 6015a536f2d5ab39cd593f8108bf6557...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:54.818309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083158/publication.txt
observed 5b4557147652e5a5a76f84bf9e392687...
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.