OpenTechnical

OT-2026-000090142

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, 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-2026-000090142) never changes.

Identity and time

Publication numberOT-2026-000090142 · never reused
Internal UUID01a0ae9c-428f-77f1-8d4c-18a69f25d924 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090142
StatusPUBLIC

Content hashes

Canonical text88d25a16d1f5e0d62b15c150a33d72672736091b651f0e253837876402455cdc
Markdown8b4b43ccb92492afcff73ba8e20de0ca4428f68227a479acc1bc0f39c80d0b00
PDF
Publication page32815f31f735543f6052c80d2700934f5be4e51fa91bff44683e226731c01697
Manifest252cb432ee497d20530bde25118313cb3e11e5bc6e6992e82351c1475f355bb8

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
SignaturejQfugCRXxR9Qnl1tvtCtO6rk7GvfmWJzd06MJkeRunYjWLFjc/OlFj29CV6CsM7QuJHVP0bIGQh7etSz6ErcDQ==
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

2026-09-17T09:45:38.944860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090142
observed 32815f31f735543f6052c80d2700934f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:38.925818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090142/manifest.json
observed 252cb432ee497d20530bde25118313cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:38.905027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090142/publication.md
observed 8b4b43ccb92492afcff73ba8e20de0ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:38.886033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090142/publication.txt
observed 88d25a16d1f5e0d62b15c150a33d7267...
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.