OpenTechnical

OT-2026-000088873

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single 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-2026-000088873) never changes.

Identity and time

Publication numberOT-2026-000088873 · never reused
Internal UUID01a0ae9b-8f11-78c2-95b3-d6d164bf8eba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088873
StatusPUBLIC

Content hashes

Canonical textb5dc3c4e245c93d9a79eee69164820cf8e171ad924a9b1232212cf699b046dde
Markdown9888b2c4eca6da485295871aea51803f64efdb9cba3ee744316b792a4b607da5
PDF
Publication page2ac9a4a62618726f6e0042e45f493432bc94f903e0579aab71923e22472faf3a
Manifest57f38096049d89e56972d81bf97be6e632588d01fad2c47db119aea2f40b0c19

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
SignatureLu8Tgop5woY7Xs/2lzIkzKW54s5n6t9fB9KjlfGHwKpZuX1mNQgwohwUDhdnkmdDhOY7dxxnML23U4pt+DSEDA==
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

2026-09-17T09:48:16.239223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088873
observed 2ac9a4a62618726f6e0042e45f493432...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:16.221678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088873/manifest.json
observed 57f38096049d89e56972d81bf97be6e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:16.203566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088873/publication.md
observed 9888b2c4eca6da485295871aea51803f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:16.185594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088873/publication.txt
observed b5dc3c4e245c93d9a79eee69164820cf...
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.