OpenTechnical

OT-2026-000034492

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained 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-2026-000034492) never changes.

Identity and time

Publication numberOT-2026-000034492 · never reused
Internal UUID01a0ae76-1ed0-730d-84e8-ba85938efca2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034492
StatusPUBLIC

Content hashes

Canonical text16d579ab38f7fb288de6d5d113c02f273a7b1852b4c2a65703e35b771251d091
Markdown5a54677ab389ae262c601be73c93e9018e9dbbd5fb13b8813e059e0e987e8a1f
PDF
Publication page5e8d19780e29fc034fe57f30d38b01952ea6c67a0160c8bca053913c14e02eaf
Manifest9063d60733ba9385ec6ab9e4040caee5cce623eeb6d97f2cb4eabe41db114351

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
SignaturejNmYUK1isw+91zLXtpIJXPNChEzo6W4jjj6t8pUbbhIiv2/Dqa9CHeXNFqMESMmqFmclb+YVJpfneuLJaOKjDA==
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

2026-09-17T11:28:49.512982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034492
observed 5e8d19780e29fc034fe57f30d38b0195...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:49.495723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034492/manifest.json
observed 9063d60733ba9385ec6ab9e4040caee5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:49.478728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034492/publication.md
observed 5a54677ab389ae262c601be73c93e901...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:49.462215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034492/publication.txt
observed 16d579ab38f7fb288de6d5d113c02f27...
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.