OpenTechnical

OT-2026-000050947

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two 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-2026-000050947) never changes.

Identity and time

Publication numberOT-2026-000050947 · never reused
Internal UUID01a0ae82-c7b4-77c5-8a45-84482badc2f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050947
StatusPUBLIC

Content hashes

Canonical textcf53858631f7c8d09e372021097f0d4473f8f6ab26382982225ee07799a0f5a8
Markdowne1c114b8da3b737a9bf2db3c4a83c489cb1db8fc9a287a5d06231e9a0b976578
PDF
Publication pagea2125dea9a27fb86de08a928437ec314d924ddab238d83fcc25baff481286fd4
Manifest16399a11509584cb189ba75d4c536354df4eb1721682151e06e407bfd7fa873a

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
SignatureTX/0wJ7RJDV738pAOIJmDAGCNBIv+GReJwEWj2/s/vcGsJEFJGoO/7E2xf4njLiKwh0D5FayDnPFCnN+NQMpAA==
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

2026-09-17T11:00:43.001530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050947
observed a2125dea9a27fb86de08a928437ec314...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:43.001435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050947
observed a2125dea9a27fb86de08a928437ec314...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:42.981885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050947/manifest.json
observed 16399a11509584cb189ba75d4c536354...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:42.981672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050947/manifest.json
observed 16399a11509584cb189ba75d4c536354...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:42.963809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050947/publication.md
observed e1c114b8da3b737a9bf2db3c4a83c489...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:42.963723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050947/publication.md
observed e1c114b8da3b737a9bf2db3c4a83c489...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:42.944071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050947/publication.txt
observed cf53858631f7c8d09e372021097f0d44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:42.943900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050947/publication.txt
observed cf53858631f7c8d09e372021097f0d44...
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.