OpenTechnical

OT-2026-000049537

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000049537) never changes.

Identity and time

Publication numberOT-2026-000049537 · never reused
Internal UUID01a0ae81-8f7d-7c25-837e-23debf95932a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049537
StatusPUBLIC

Content hashes

Canonical textc3c1601b76b509f2eb9e06a87318aa9451fc3f580e51c25f851d2749fc6fd293
Markdown64f538fb936b12fa55827508a635bd4b21e43aad3caa81ef245070baf78158f4
PDF
Publication pagea42649d99a13ca2fafd4e9a5a97eddcc5fb9320b422d4b05970b982a6569929b
Manifest3d72bd5ee77abce9e52ff2b2a3903f8496d3b65da4239ca45b4df237fbda3d2d

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
Signature71XI7MamtTGI/QyiLsMiL3U3W/YTSz5376I2q49r8lgYz9L+Phf9OHfanHuPwQZi0Bv19nJSpMeU2Cb4b50ODA==
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

2026-09-17T11:02:24.116988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049537
observed a42649d99a13ca2fafd4e9a5a97eddcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:24.098971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049537/manifest.json
observed 3d72bd5ee77abce9e52ff2b2a3903f84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:24.079045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049537/publication.md
observed 64f538fb936b12fa55827508a635bd4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:24.061999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049537/publication.txt
observed c3c1601b76b509f2eb9e06a87318aa94...
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.