OpenTechnical

OT-2026-000085630

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum fed, 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-2026-000085630) never changes.

Identity and time

Publication numberOT-2026-000085630 · never reused
Internal UUID01a0ae99-aaad-7b2c-aa20-ce89c795e936 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085630
StatusPUBLIC

Content hashes

Canonical textb1b34db6898691a528f34beb73a7e6635452e5746251bb311d583e1d6fc26526
Markdown174863effd760fe44cf56666a8d13f57b2e9c3bf37ae3a252fb707ef2a21b959
PDF
Publication pageccc13424d4106001a07df049f251c0e1928de8756010dea5b908c450bc710808
Manifestb7bbabb7daefa60cac5d3ba149b592ff71ecf09d57f2133b044c29e653c3cb97

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
Signatureo4BXJMbCSVqQ2o3evI7004Dvl0b5szUxA21OjHVGRtd/xr6/72eBq22sBUDBzQD4Huivs91nT/nPGjhR5r9jBg==
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

2026-09-17T09:53:57.098980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085630
observed ccc13424d4106001a07df049f251c0e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:57.045554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085630/manifest.json
observed b7bbabb7daefa60cac5d3ba149b592ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:57.026471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085630/publication.md
observed 174863effd760fe44cf56666a8d13f57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:56.915108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085630/publication.txt
observed b1b34db6898691a528f34beb73a7e663...
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.