OpenTechnical

OT-2026-000049335

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, three stage ejector, 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-2026-000049335) never changes.

Identity and time

Publication numberOT-2026-000049335 · never reused
Internal UUID01a0ae81-1350-78de-afdb-f478914de851 · 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-2026-000049335
StatusPUBLIC

Content hashes

Canonical text446b07d95fa82b0bbe7a7a71018beb100449048470f4b3064b1c136891bb18e0
Markdown1d8d6b34f6e8f386aa9c9edf0524543465e6e63662eb08d0b62d8797cde44e28
PDF
Publication page5762eb6243aa0ba0c0a4d36bd941088d199e0b19a0304fc4008191caf7298327
Manifestbe3898e6c3d3abcb57d4fc3b3a99ff5561fa9fc50f9ed4aeb2cc9108860c5717

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
SignatureUkzFff1UMf0kooIozAzKM48fhVIlciPdEvrXQaiPSht0ke3kaaLBE7waZ14Z4rWvGaGbfgnfNDHBEqKRYk3uCg==
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

2026-09-17T11:04:12.863420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049335
observed 5762eb6243aa0ba0c0a4d36bd941088d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:12.844025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049335/manifest.json
observed be3898e6c3d3abcb57d4fc3b3a99ff55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:12.824184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049335/publication.md
observed 1d8d6b34f6e8f386aa9c9edf05245434...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:12.805528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049335/publication.txt
observed 446b07d95fa82b0bbe7a7a71018beb10...
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.