OpenTechnical

OT-2026-000050171

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four 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-2026-000050171) never changes.

Identity and time

Publication numberOT-2026-000050171 · never reused
Internal UUID01a0ae82-5c45-7907-a70f-000552240ab4 · 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-2026-000050171
StatusPUBLIC

Content hashes

Canonical text9983ae471ba151ec51ce4536dc7035684f03d0ec104a2973ce9b1e1592b2783f
Markdowneca9cdb005da6e0bcd09cc82f1b073b19faef436d2418ae823328d897228e586
PDF
Publication page06fa89a16e729b6ae8ee3ae617672180eb442796d2e1e4382e7367b3e0f8f759
Manifest23a931a43d4b0f090a53e05ecfbb0cf166fc0793e3b02e3d2d100ec744974b86

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
SignaturexS/1XVVb5rBfD1BHHAexSHJPS2wuoIMxhln76ZHMtFdALGmJjXcMVXfE57TVU9+oXHrJv94h7dRtXqytvh0SBA==
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

2026-09-17T11:01:09.041996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050171
observed 06fa89a16e729b6ae8ee3ae617672180...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:09.025111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050171/manifest.json
observed 23a931a43d4b0f090a53e05ecfbb0cf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:09.006003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050171/publication.md
observed eca9cdb005da6e0bcd09cc82f1b073b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:08.987386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050171/publication.txt
observed 9983ae471ba151ec51ce4536dc703568...
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.