OpenTechnical

OT-2026-000088394

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000088394) never changes.

Identity and time

Publication numberOT-2026-000088394 · never reused
Internal UUID01a0ae9b-5d27-73c9-9cfe-b40c061f6eed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088394
StatusPUBLIC

Content hashes

Canonical textca9244b0089cbe98777488a70aec69d55f859500e90dd1cc2a26440354f83659
Markdownd174e3e9f3a850da4f0bd0ed650c9a7cb15000843dcc1c72a2674908a54f2e53
PDF
Publication page81df281933f7a998068c49fe76b75cc2c31a4fc53c70ea4423f82d0d62afa7f1
Manifest65ff0278c03e454a7d14ae1fdd62f4bc7f1de681154f8c59b7b38ec6117db398

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
SignatureBLlu5F1aFpAVnEc+8C6665FOHUuQU5lBPIFlbywBJari1WemEIufmFjuVzwNE0nxCK0j6x9+l3iU7IRvcE8mDw==
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

2026-09-17T09:48:45.233031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088394
observed 81df281933f7a998068c49fe76b75cc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:45.215318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088394/manifest.json
observed 65ff0278c03e454a7d14ae1fdd62f4bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:45.196559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088394/publication.md
observed d174e3e9f3a850da4f0bd0ed650c9a7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:45.177557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088394/publication.txt
observed ca9244b0089cbe98777488a70aec69d5...
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.