OpenTechnical

OT-2026-000052704

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, pulsed 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-2026-000052704) never changes.

Identity and time

Publication numberOT-2026-000052704 · never reused
Internal UUID01a0ae84-a42d-74a3-9520-1fb7017e3832 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052704
StatusPUBLIC

Content hashes

Canonical text0f39966a41a2a5406d2509f123793ba35b377932e5c649c33b2d78ddef00ad0f
Markdown2d200a485fd0ebfa4bfd2f0ed2c4390f59a541d5a5a1993906980177679b25ee
PDF
Publication page85aa7850350dae7af862ae79c1f6a86092581afadaf48266984b8c1be9caf4e2
Manifest8c51d53985239d41c6cc2a0c3383d284cc8bce8936578672d637ec65ae578518

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
Signature0tM99m1f0qwEBBylAGgT4w7nGC1pYS3AxgCOB/E0RurzmQkAOWjxyKoEraxathwGrRAfjdrhRtRf2AHGdNb1Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:41.418081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052704
observed 85aa7850350dae7af862ae79c1f6a860...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:41.401141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052704/manifest.json
observed 8c51d53985239d41c6cc2a0c3383d284...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:41.382537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052704/publication.md
observed 2d200a485fd0ebfa4bfd2f0ed2c4390f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:41.363037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052704/publication.txt
observed 0f39966a41a2a5406d2509f123793ba3...
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.