OpenTechnical

OT-2026-000049419

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum 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-2026-000049419) never changes.

Identity and time

Publication numberOT-2026-000049419 · never reused
Internal UUID01a0ae81-8f7b-7776-b454-b43588b37341 · 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-2026-000049419
StatusPUBLIC

Content hashes

Canonical text3af2ebfac3790ef143fbfa8fbe4785b66d16371d33b37c4acdb65d60d9aaaefb
Markdown244332f9a642f35dff398268ba99126ff52bb503ba29aa7cb6f2f580542cf054
PDF
Publication paged4ddf8e260ff91dcd8a72bad20fd7c1f8baccea14f5b5a6ad8ce13a86eaa1cb6
Manifest1ed51f89a06a15fa710ae4158ff14a915a4915e622fd205ecd957a20fcede587

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
SignatureTtkdnUOmJhNic+4fsFDk7PYn22OLwLOUfO0R+Ehhrto1iqmIg828Ry1lheEmHpR5vUWavoMDdfNIIGex/0x9Ag==
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

2026-09-17T11:02:14.564982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049419
observed d4ddf8e260ff91dcd8a72bad20fd7c1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:14.547934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049419/manifest.json
observed 1ed51f89a06a15fa710ae4158ff14a91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:14.531060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049419/publication.md
observed 244332f9a642f35dff398268ba99126f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:14.512796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049419/publication.txt
observed 3af2ebfac3790ef143fbfa8fbe4785b6...
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.