OpenTechnical

OT-2026-000075503

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, manifold 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-2026-000075503) never changes.

Identity and time

Publication numberOT-2026-000075503 · never reused
Internal UUID01a0ae93-f202-7f50-8347-569ef8c38623 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075503
StatusPUBLIC

Content hashes

Canonical textc96dda98818dfc65bcc733e8e367d94147c6bcd2f95de57b18434ef211b4f715
Markdown57ec00976ecacd8fd64b8481407db5fdfb8a871f8f172348481fc4443a123c01
PDF
Publication page5331dacb11fb00ffe003e70cd7c6572816f91444bf79bbfd033b8c8275e9b409
Manifesta66fe2264291c3fda8bb68f4fab91a8c3b15318eebdf73a12f7d88d9cd384c0a

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
SignatureFsfwZF6FFQ0UMyK9T4fbythVf6qgAK5V0ZSTIOb14YRNga1H9x6Mq67DAziMdJ7QnM9vz+w76uuchB+5KuiWDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:17:55.562204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075503
observed 5331dacb11fb00ffe003e70cd7c65728...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:55.540849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075503/manifest.json
observed a66fe2264291c3fda8bb68f4fab91a8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:55.518092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075503/publication.md
observed 57ec00976ecacd8fd64b8481407db5fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:55.498824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075503/publication.txt
observed c96dda98818dfc65bcc733e8e367d941...
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.