OpenTechnical

OT-2026-000050416

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000050416) never changes.

Identity and time

Publication numberOT-2026-000050416 · never reused
Internal UUID01a0ae82-5c48-76d3-962d-8a41db9029bb · 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-2026-000050416
StatusPUBLIC

Content hashes

Canonical text4e3b701c44096f4bba1bca59acc3f8e9c8fed971948b409c5ad292a8e4454087
Markdown9557d8de9cf3ab9866b87a3062b5f02eee61df25c1ae2b5e5edd718a071b7e3d
PDF
Publication page666280b71642b7d1807692115db06566c637830b590632c30f99500a71e3f9e6
Manifestc7c1f28cf73a196e74d0c96ddff59da6faad7daafa4a648f1bbdbf68892a411c

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
Signatureak88pxvWARs3qsx/2d6AAWEyTktjAogt4fjq0dsb/Nd6y3ZFgdOes5YkNor5wsim5O8eGZpszAWAjolWwv1CCg==
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

2026-09-17T11:01:27.659032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050416
observed 666280b71642b7d1807692115db06566...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:27.641219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050416/manifest.json
observed c7c1f28cf73a196e74d0c96ddff59da6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:27.623909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050416/publication.md
observed 9557d8de9cf3ab9866b87a3062b5f02e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:27.605935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050416/publication.txt
observed 4e3b701c44096f4bba1bca59acc3f8e9...
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.