OpenTechnical

OT-2026-000049337

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump 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-2026-000049337) never changes.

Identity and time

Publication numberOT-2026-000049337 · never reused
Internal UUID01a0ae81-1350-770f-92f5-1dcf153c92ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049337
StatusPUBLIC

Content hashes

Canonical texte008134116ca1ee31a76727727bb4a8411d341db5a081b43ed1056c72beeec64
Markdownd30641f636a65cf29d9c7826d9f3e111c112b060286fd9d176566fb1dc9f16f2
PDF
Publication page2bec1a380d213c04f48620065a0785db1988308c0c80de5defa84e426db806f7
Manifestc974f20c0d05e4342895a569a384c3b76686cd531d55e8e00129cfb7e3c9b051

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
SignatureB+/zUNEhcoWedKw8CCKVRw6blzjz0EVGhli2GWAoEGPbWo7gIcAn4ShRZ8SK6cRcrgNyYRVAAV4MLCNfhdHyCw==
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

2026-09-17T11:04:13.026050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049337
observed 2bec1a380d213c04f48620065a0785db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:13.005634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049337/manifest.json
observed c974f20c0d05e4342895a569a384c3b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:12.985606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049337/publication.md
observed d30641f636a65cf29d9c7826d9f3e111...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:12.966978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049337/publication.txt
observed e008134116ca1ee31a76727727bb4a84...
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.