OpenTechnical

OT-2026-000074037

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, three stage ejector, manifold 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-2026-000074037) never changes.

Identity and time

Publication numberOT-2026-000074037 · never reused
Internal UUID01a0ae93-2b8f-75eb-899d-cab153b2070f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074037
StatusPUBLIC

Content hashes

Canonical text6325d3fb4e7a34d9d3e606ff63118113f720afeb3f0d8a775853434197739d68
Markdownc024279a437716901646faac722314636755e161ca8d6c3914ec8586cda12a02
PDF
Publication pagec37ac2fbcdfdb28b8be72fd3792bc6c784fa782e75df738cae1ee3292932685a
Manifeste6d102f3a278172cc8e1b3aaec21e2c79a3ee411bc9e6a5e00ba97b7cbb288a8

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
Signature0PbwWJT6vQPR+p0m/Sq213YKLC/bRbWF/IZyEaX6QV0RvkdhwaVHIY/g25IE0tSUPM6F9z7YELKKK+6NXyCZAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:20:21.409520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074037
observed c37ac2fbcdfdb28b8be72fd3792bc6c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:21.389201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074037/manifest.json
observed e6d102f3a278172cc8e1b3aaec21e2c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:21.360664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074037/publication.md
observed c024279a437716901646faac72231463...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:21.234828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074037/publication.txt
observed 6325d3fb4e7a34d9d3e606ff63118113...
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.