OpenTechnical

OT-2026-000050215

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000050215) never changes.

Identity and time

Publication numberOT-2026-000050215 · never reused
Internal UUID01a0ae82-5c46-7469-b238-05a9aa0e7227 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050215
StatusPUBLIC

Content hashes

Canonical texte9d46958ed82e1ceff56a34b464719238c7f12c33aab39fb2ff71230fb2f78c3
Markdown8a27d96b15f61e0adc3142553e169c3d49d90940917c73c2f7a0ff87052e9c22
PDF
Publication pagea3bc9a74b216e107bcbe85d12473be367e56097acf4f9a86a9e2f21ead7d725f
Manifest5ac2bd518a8144c93545ffd087e1d8e2ca5b95504f7febcf2bbf2b120c0dbd04

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
Signaturet0l6zRsFpEEADbijPaquJLSS2iOw8B6OKsfW+kOWsSuk/NiuidhQBvR0jiLgMK2OpIU/HzdVjuS0HHnCRuljDA==
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

2026-09-17T11:01:12.381130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050215
observed a3bc9a74b216e107bcbe85d12473be36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:12.365083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050215/manifest.json
observed 5ac2bd518a8144c93545ffd087e1d8e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:12.348508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050215/publication.md
observed 8a27d96b15f61e0adc3142553e169c3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:12.332504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050215/publication.txt
observed e9d46958ed82e1ceff56a34b46471923...
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.