OpenTechnical

OT-2026-000038283

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single 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-2026-000038283) never changes.

Identity and time

Publication numberOT-2026-000038283 · never reused
Internal UUID01a0ae78-2d51-7aef-80af-49a16c555b64 · 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-2026-000038283
StatusPUBLIC

Content hashes

Canonical text9c7517cfd469cc4d78d117813ed0a6d0128de61c4894a92243b5008934729e15
Markdown490f7fbd34d8c19f6d2a1c35e4bf2dcc36c433b500b178e18aa88f1638087263
PDF
Publication pagec842aa18748d10e74b3431feac5e1aac3a311a0a862ba8006eb1abb07e8f3df3
Manifest3cf1faf17d8453cdc21c8cf5f95dc735a43392a4dbeda159a938c1c3280ec7d2

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
SignatureEvOJ2CFZlj2PZK+W3qILnfxrx9W5OM/KWxb3iCN/Unla8kUL1XLb/y/GPOJHUn/QL2s4y91rHprdrH27tKZ2Cw==
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

2026-09-17T11:22:26.919587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038283
observed c842aa18748d10e74b3431feac5e1aac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:26.900301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038283/manifest.json
observed 3cf1faf17d8453cdc21c8cf5f95dc735...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:26.881852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038283/publication.md
observed 490f7fbd34d8c19f6d2a1c35e4bf2dcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:26.861573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038283/publication.txt
observed 9c7517cfd469cc4d78d117813ed0a6d0...
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.