OpenTechnical

OT-2026-000037852

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, sustained 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-2026-000037852) never changes.

Identity and time

Publication numberOT-2026-000037852 · never reused
Internal UUID01a0ae77-f889-7cef-a3c8-7efe7801fd56 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037852
StatusPUBLIC

Content hashes

Canonical text53fe9c92a4e70704cfa8f2c3650630190304769730685047a7cef010389ca922
Markdown1d4f78f177f19648937bfb9a80cb18c8208a23128088d82db97d27d1c9e65e3d
PDF
Publication page3edf1d80e3be0d0eeffc87e053ad5185dec466ed3c134fb56e564c641b3b0376
Manifest3d78d894e8e43be60d7083d8b245a795fa0d3e2e3ffb30539e7e26cb2d17df9e

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
SignatureEKAtQCRPJEU2188UC+WPOdPXfldmAU2txzcFEUOHQ4FIKGrViiRyhQNoSNSUiU4dulHf3xwz/PTcUFNI34RVBw==
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

2026-09-17T11:23:06.606824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037852
observed 3edf1d80e3be0d0eeffc87e053ad5185...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:06.588557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037852/manifest.json
observed 3d78d894e8e43be60d7083d8b245a795...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:06.573017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037852/publication.md
observed 1d4f78f177f19648937bfb9a80cb18c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:06.554282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037852/publication.txt
observed 53fe9c92a4e70704cfa8f2c365063019...
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.