OpenTechnical

OT-2026-000030260

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000030260) never changes.

Identity and time

Publication numberOT-2026-000030260 · never reused
Internal UUID01a0ae73-e500-733f-8358-775c5ccef8dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030260
StatusPUBLIC

Content hashes

Canonical textedd901b32c3ffaf01363d44b3625bfd300a7a5e637837c4b043a9ddb5ee4e1cf
Markdown6c6016148ddedb4252636c6d5b500296c9a4431d5e97f7c258727c55855f630f
PDF
Publication pagee94b4dd87138ce1e9ae82893595d108e0b4a53414a5b01bded683f18d9ba13f0
Manifestcf21cbd51c533eb84cb14116535ad7c12069f4bc4003890b0b98bcc36e8bbbcf

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
SignatureIokdxRMAODtKyaWhiEj3ITAtZeNZZSEvSw2m5fsxu8yhifZXCmcZEmeNwkFfc1/s/tdaELuU/jEN9IexFqpeDw==
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

2026-09-17T11:40:44.936127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030260
observed e94b4dd87138ce1e9ae82893595d108e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:44.915915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030260/manifest.json
observed cf21cbd51c533eb84cb14116535ad7c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:44.897162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030260/publication.md
observed 6c6016148ddedb4252636c6d5b500296...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:44.880995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030260/publication.txt
observed edd901b32c3ffaf01363d44b3625bfd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:54.902704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030260
observed e94b4dd87138ce1e9ae82893595d108e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:54.886869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030260/manifest.json
observed cf21cbd51c533eb84cb14116535ad7c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:54.871389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030260/publication.md
observed 6c6016148ddedb4252636c6d5b500296...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:54.856615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030260/publication.txt
observed edd901b32c3ffaf01363d44b3625bfd3...
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.