OpenTechnical

OT-2026-000068327

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000068327) never changes.

Identity and time

Publication numberOT-2026-000068327 · never reused
Internal UUID01a0ae90-2480-7cb7-b60a-007ec412a0a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068327
StatusPUBLIC

Content hashes

Canonical text4de8c61d4008556a6a8465932c56310656bfa8d55f2d244338ebcf53d2dbcea1
Markdownbab7075e7793a211f12e8b2c61cbf0064553348a504b127b7f84458a5c3c4952
PDF
Publication pageefafe226291ccb2aad3a3c3914d084f08483b40e3d794bef465cd8a824dc070b
Manifestdada32505aa0e7653adee84d9bab0803f4bef56b14239ad941406303fea595e4

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
Signature8UwPmPvY5Uo19fq6I2Y44AAgpjFvk24Ad8nrL1vJBk2UNq670ptI5AFfA3QLpWbeXWZxp1cusV3wUE8e1LUZBw==
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

2026-09-17T10:29:22.039410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068327
observed efafe226291ccb2aad3a3c3914d084f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:22.020864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068327/manifest.json
observed dada32505aa0e7653adee84d9bab0803...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:22.002305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068327/publication.md
observed bab7075e7793a211f12e8b2c61cbf006...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:21.986148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068327/publication.txt
observed 4de8c61d4008556a6a8465932c563106...
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.