OpenTechnical

OT-2026-000051543

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six 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-2026-000051543) never changes.

Identity and time

Publication numberOT-2026-000051543 · never reused
Internal UUID01a0ae83-7c81-78b5-8771-34a0014c4750 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051543
StatusPUBLIC

Content hashes

Canonical text84dab68aceaa4afd986cc6d995710d134b40c1f9e153147c18f09a661f7677c1
Markdown82a7be4e601711ca8187a93e3c2a36385626f05a5bd65e4245b434e487288747
PDF
Publication page935713ba6c3753cc4c88f0176a81d037feb2050fd85f4696bccd121d44de050f
Manifest1f20f394ca6293374dc9ad3fe13f29f5fbf54e6755b4ff20234234811f08a401

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
SignatureaI5ZW5AiEd/cPseA+RO7V8zIu/8wrA3YQ1neqFBzD+tG/KGNk3ZmNX4ArbbS26bcVTt//+4XJZ58UKfQN6ioDA==
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

2026-09-17T10:58:22.450248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051543
observed 935713ba6c3753cc4c88f0176a81d037...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:22.431128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051543/manifest.json
observed 1f20f394ca6293374dc9ad3fe13f29f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:22.412876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051543/publication.md
observed 82a7be4e601711ca8187a93e3c2a3638...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:22.394229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051543/publication.txt
observed 84dab68aceaa4afd986cc6d995710d13...
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.