OpenTechnical

OT-2026-000057295

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, supply line pressure sensor, pulsed 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-2026-000057295) never changes.

Identity and time

Publication numberOT-2026-000057295 · never reused
Internal UUID01a0ae87-d5bc-7902-9c95-9c4f25c4a6d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057295
StatusPUBLIC

Content hashes

Canonical textcb64c23fda855278543ab782bc132ade4577d11e333f40986bddc92b6b0b09da
Markdowne9a2a2237d17bb7848188c3424d55ec98657fbe3f93a57405d983bb0a98714e1
PDF
Publication paged5f8bd5c10c0c4754234be447150bc9b1da7dc42057fdb25035bbb69a2e8cf61
Manifestbb2047bb105201bcaa87b43fcafb1c0137e49935c14ed2c61027f4a48707ef41

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
Signature47l5WZoIeRPAgnvd2hXrYJHAH1mka0WQTc+EPcktI3dHjznVlM20iNJu4SYQboSTr9XvR2aqJYkM30tyKcWYDw==
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

2026-09-17T10:50:23.843517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057295
observed d5f8bd5c10c0c4754234be447150bc9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:23.820970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057295/manifest.json
observed bb2047bb105201bcaa87b43fcafb1c01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:23.799187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057295/publication.md
observed e9a2a2237d17bb7848188c3424d55ec9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:23.778607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057295/publication.txt
observed cb64c23fda855278543ab782bc132ade...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:33.192837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057295
observed d5f8bd5c10c0c4754234be447150bc9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:33.174706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057295/manifest.json
observed bb2047bb105201bcaa87b43fcafb1c01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:33.157792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057295/publication.md
observed e9a2a2237d17bb7848188c3424d55ec9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:33.140045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057295/publication.txt
observed cb64c23fda855278543ab782bc132ade...
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.