OpenTechnical

OT-2026-000097878

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, supply line 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-2026-000097878) never changes.

Identity and time

Publication numberOT-2026-000097878 · never reused
Internal UUID01a0aea1-92f6-7093-b0f7-96760befa800 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097878
StatusPUBLIC

Content hashes

Canonical textbf3d71b44c3cf30f4f8e739b73d8f1066442d36700fb479eeffbb77a21f85082
Markdown262e37f22a132204b0a4b1f9786fa1151f52a083718f20ced4485d5e97ab10f4
PDF
Publication page21a5b76723efdb4da5a32b79cef74f076ff478e4f835c8f4c52babbed9a8efbe
Manifest5df08d253b490b0341c967a7d523b83c4e82f4477e17cb7fb3df4f77ada9c814

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
SignatureEJD3RBR1hKqnlAoGYSJ1j/1oQS7CUsSvqe3u9KSBktALmyz1EdNHZ52n3faU7eM76xdPKu/eKnC6/4bq3EbnDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:32:59.674120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097878
observed 21a5b76723efdb4da5a32b79cef74f07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:59.655822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097878/manifest.json
observed 5df08d253b490b0341c967a7d523b83c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:59.636128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097878/publication.md
observed 262e37f22a132204b0a4b1f9786fa115...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:59.617922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097878/publication.txt
observed bf3d71b44c3cf30f4f8e739b73d8f106...
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.