OpenTechnical

OT-2026-000042041

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, sustained blow-off after 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-2026-000042041) never changes.

Identity and time

Publication numberOT-2026-000042041 · never reused
Internal UUID01a0ae7a-5d70-7f6b-842c-b57d859671fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042041
StatusPUBLIC

Content hashes

Canonical textb852ed7819d69a5383549f9c3f9f6fc1c4e4b4a95bf24699cc13e02366217088
Markdownea9088581c3ceb6ace63a79a5e98cb325cace70962471ef609f2a1203ec02749
PDF
Publication paged8e591f7746c7d4c3f5468f34a787bd01563d27f3b49074544685d35b87e9760
Manifesta77aeeeb773c70b610f4ce301e9b3a40c00ceca8ab525adeeaca319a58d38ffb

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
Signature+auprc2+17YXPrqauIxB2Md9KtWbtPqSxxsO3Y2BYZJ3YE0wW6T72F+/EQEoBysvinY6kDLm0LivjzCG5G30AQ==
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

2026-10-12T04:23:05.281739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042041
observed d8e591f7746c7d4c3f5468f34a787bd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-12T04:23:05.265759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042041/manifest.json
observed a77aeeeb773c70b610f4ce301e9b3a40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-12T04:23:05.248956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042041/publication.md
observed ea9088581c3ceb6ace63a79a5e98cb32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-12T04:23:05.023679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042041/publication.txt
observed b852ed7819d69a5383549f9c3f9f6fc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:33.221569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042041
observed d8e591f7746c7d4c3f5468f34a787bd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:33.204366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042041/manifest.json
observed a77aeeeb773c70b610f4ce301e9b3a40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:33.184625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042041/publication.md
observed ea9088581c3ceb6ace63a79a5e98cb32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:33.164539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042041/publication.txt
observed b852ed7819d69a5383549f9c3f9f6fc1...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent