OpenTechnical

OT-2026-000038345

Publication integrity record

Single cup vacuum gripper, two stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000038345) never changes.

Identity and time

Publication numberOT-2026-000038345 · never reused
Internal UUID01a0ae78-2d52-7f46-813f-9bea4a38cce6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038345
StatusPUBLIC

Content hashes

Canonical textb2c0d305d4b06ec010f1324eaec601c5dee7b7cd25e1e0dbdc2dc98398d1b45d
Markdown1538870f4b146817b6f0534d5d2d2d8711c1355840dd4fdfdbf00bbf0a29dbbe
PDF
Publication pagee00eca0b8c293e4bb9dfb35c1aecf449ac8ef6243f9e40cfe6b803cca3bf6575
Manifestc45b9b3e2df01b44429f093b987d2c965ebeb67a6d353a2821f24c9200dc1f0d

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
SignatureoeaSfHGLjOHcJn+Vj0p7Onx43AQkmCVxTKqzmwY0ZQpSdZAf+B/FDQlGxOzDyttLpg/Z92nX7mzLn9dQJxyWCg==
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

2026-09-17T11:22:31.870170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038345
observed e00eca0b8c293e4bb9dfb35c1aecf449...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:31.851586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038345/manifest.json
observed c45b9b3e2df01b44429f093b987d2c96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:31.832277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038345/publication.md
observed 1538870f4b146817b6f0534d5d2d2d87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:31.811528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038345/publication.txt
observed b2c0d305d4b06ec010f1324eaec601c5...
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.