OpenTechnical

OT-2026-000023868

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000023868) never changes.

Identity and time

Publication numberOT-2026-000023868 · never reused
Internal UUID01a0ae70-aed6-74a9-b398-90076e625137 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023868
StatusPUBLIC

Content hashes

Canonical text555d1618dba74ced3ac93ca5380c2a8fd3bb3ec26e2fdf3571edefe643391b01
Markdown77993df1f5d42a8aa140c0bf9b1c33b96b9e6cfb4479f12fb0bf9c17e6ead522
PDF
Publication page15ce678727ca842bb487a1b00b053fef9a3f86977d717d70b3f0bae3ae7f648b
Manifest1653731eda871834b3b8d4b163a4e0154fbd4a92645ff58d86711e9fa84c12df

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
SignatureS2GQ+N9NAHtOrKPV6HXgz1Mc/7Mrpn965eswtccm4tar6+Y1zw28QGhGrqh3ySVNjGCS5IvfTzviFUT2qHnIDg==
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

2026-09-17T11:50:28.438336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023868
observed 15ce678727ca842bb487a1b00b053fef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:28.419578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023868/manifest.json
observed 1653731eda871834b3b8d4b163a4e015...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:28.401529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023868/publication.md
observed 77993df1f5d42a8aa140c0bf9b1c33b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:28.382362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023868/publication.txt
observed 555d1618dba74ced3ac93ca5380c2a8f...
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.