OpenTechnical

OT-2026-000070151

Publication integrity record

Foam pad vacuum gripper, two zone face, pump fed, supply line pressure sensor, pulsed 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-2026-000070151) never changes.

Identity and time

Publication numberOT-2026-000070151 · never reused
Internal UUID01a0ae91-1862-7dbc-a8b7-779be956d5a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070151
StatusPUBLIC

Content hashes

Canonical text8861be9a8d3fdc8c62bceaf06ad872da5a9a97fda2f1c5bf29296aa63d4f4885
Markdown3b75b1058de2a8f7c9e592777cb0a366346b951375cc79369f8964ba107e6de8
PDF
Publication page55c5cd02a57c3f2f0a3509e50e296dc7896f06c3cb3f413787f14dd9387fd290
Manifest165941bdf6775f124ec9d680152d545eadc51ff8b414ce02885c53c13a9d812e

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
Signature70SfdeGIx/xdnuGR5PD7HBq4dncKs0DPjlucK0sdDSheUyh7nhTxD+c/f4QKzXwDruL8YaYfp71uVfi40IBFAA==
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

2026-09-17T10:27:11.871359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070151
observed 55c5cd02a57c3f2f0a3509e50e296dc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:11.851976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070151/manifest.json
observed 165941bdf6775f124ec9d680152d545e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:11.826374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070151/publication.md
observed 3b75b1058de2a8f7c9e592777cb0a366...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:11.799829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070151/publication.txt
observed 8861be9a8d3fdc8c62bceaf06ad872da...
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.