OpenTechnical

OT-2026-000016171

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, 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-2026-000016171) never changes.

Identity and time

Publication numberOT-2026-000016171 · never reused
Internal UUID01a0ae6e-2d10-70d3-8cf5-81fbf468d65f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016171
StatusPUBLIC

Content hashes

Canonical textb3a50ee892a3faf93b2b3753bcbbdfa951a9c5d91848a76c2d2e0f024b00d3d0
Markdown572447e2accb22323ddf7d74825e33b552f0788e7d2797457811c5aebbf28234
PDF
Publication page04eed5bd6bea8025e2923fa9f5bbfe3f6528b55fa0fe39c7a6d007f228c0ae52
Manifest6c1331bede280129b02ce0585eb5b2faf6779a71d971d454011df57173ce27af

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
SignatureIGRZG+C9jEtXN4YOkex1q/CxWuTPtilPfIAhK9r8YXI1S1xNSEUAHySVKiUKpz/Czj5FmlxCGD+Z3EVAYaH0DA==
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

2026-09-17T12:03:37.219435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016171
observed 04eed5bd6bea8025e2923fa9f5bbfe3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:37.201240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016171/manifest.json
observed 6c1331bede280129b02ce0585eb5b2fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:37.181898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016171/publication.md
observed 572447e2accb22323ddf7d74825e33b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:37.164048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016171/publication.txt
observed b3a50ee892a3faf93b2b3753bcbbdfa9...
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.