OpenTechnical

OT-2026-000032298

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, 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-2026-000032298) never changes.

Identity and time

Publication numberOT-2026-000032298 · never reused
Internal UUID01a0ae75-106d-74ae-851a-b103a6ea6905 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032298
StatusPUBLIC

Content hashes

Canonical text12891f7315e47f89c1c0388e29b52b5a6d2f89a6d7d55f7986532e43a2248931
Markdown76d05217303c311d591a4fe9590660c2429dda06e1ed785c06ce0dbac4aa083b
PDF
Publication page088d20a61cc4500540ca66a71027e9fc1d22e61ed9b4751d6356583f863517fc
Manifest7197d67a4e9b83cbfa19d447bb746872d256bd0b6aa96dceaba9e8c17b904fbd

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
SignaturelWtaaWRbOYcIddJGLNQh94ychWB9SzzzSCh1PXBpl7VGJW6HaoSZMLOjRshIuqkYKW0W/7jcbOUiR7xQ6SQ5DQ==
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

2026-09-17T11:33:07.636070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032298
observed 088d20a61cc4500540ca66a71027e9fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:07.617010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032298/manifest.json
observed 7197d67a4e9b83cbfa19d447bb746872...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:07.598450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032298/publication.md
observed 76d05217303c311d591a4fe9590660c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:07.579410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032298/publication.txt
observed 12891f7315e47f89c1c0388e29b52b5a...
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.