OpenTechnical

OT-2026-000028351

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, pulsed blow-off before set-down

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-2026-000028351) never changes.

Identity and time

Publication numberOT-2026-000028351 · never reused
Internal UUID01a0ae72-e2f5-7253-a232-aa80db0a89e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:19.949572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028351
StatusPUBLIC

Content hashes

Canonical text1ab183047b2449a498a99b698ae15cbeac311d293cdfc4a4515f737be133248a
Markdown5a646b269fd5f663a1643c04599d8b35fb76e57adef8608d3513e6a510ee229c
PDF
Publication pagebb3c045f31aedfad41e2bb7558d135b9efe4c1d23efd4d7cdbc0621c56b97dfb
Manifeste9e57159bfce21998ddf0ad5ffd8d0cba696966ebc19163a99f3437d5986caa6

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
Signature1Bb+O/4Ys5fvAlUz0a9st2rbUyxFaQvO7GklX8gqjNYwWNKGphgKzBz7+U/7j037VTGYWOJ/gKADhlqcbb4/Ag==
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

2026-09-17T11:40:21.658361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028351
observed bb3c045f31aedfad41e2bb7558d135b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:21.637236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028351/manifest.json
observed e9e57159bfce21998ddf0ad5ffd8d0cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:21.616559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028351/publication.md
observed 5a646b269fd5f663a1643c04599d8b35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:21.599200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028351/publication.txt
observed 1ab183047b2449a498a99b698ae15cbe...
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.