OpenTechnical

OT-2026-000026869

Publication integrity record

Single cup vacuum gripper, three stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000026869) never changes.

Identity and time

Publication numberOT-2026-000026869 · never reused
Internal UUID01a0ae72-3452-7684-9395-09ab3ee5b7d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026869
StatusPUBLIC

Content hashes

Canonical text5da9fe94abd7eef80d4164127c9b32a5f070406399d9670a0cb82dba3124d2b1
Markdown2a8c911a41a0c620afcba989b7e4ed5e06875e6c5d73044db39d59b57115da3c
PDF
Publication page8e99a5a89c663cf23a4f2056fa348a228d7d923e882d2902eef86f8eee2e8bb7
Manifest2d3330601b6cc4a11112389289d3cafb02991328a954157c3ba80eb95bfef94d

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
SignatureXUEIOR9xq26Q4S6PGXfmkqZGrJ70BrMPqrWjdTaTnu3tuEUAHM05Jnywq60YzpwEQ2aX1ZuwqP4TUlLcB2SlDQ==
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

2026-09-17T11:43:28.355097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026869
observed 8e99a5a89c663cf23a4f2056fa348a22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:28.338979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026869/manifest.json
observed 2d3330601b6cc4a11112389289d3cafb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:28.320244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026869/publication.md
observed 2a8c911a41a0c620afcba989b7e4ed5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:28.302970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026869/publication.txt
observed 5da9fe94abd7eef80d4164127c9b32a5...
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.