OpenTechnical

OT-2026-000089243

Publication integrity record

Four cup vacuum gripper, four zone face, six 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-2026-000089243) never changes.

Identity and time

Publication numberOT-2026-000089243 · never reused
Internal UUID01a0ae9b-db00-757a-b1fa-205af0c18dbd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089243
StatusPUBLIC

Content hashes

Canonical textd699af494fe1a13af3a753069e45a1f8f6ecba2626bab6c54a379a59b82db8ea
Markdownb2eb040f48b32116cc010aabe8033d21b5131989b945f29d643a204fe928e47d
PDF
Publication page53caab65a89f923615837467e3c2b872c008a932796033e3570225763ec8574b
Manifest4e9a87103f89585c912538ccab0ae4f0a74c6fd09ad16787976a67d4a97fcb5a

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
SignatureBBrAofz9TqHgX7iktsBra72XZUlihB/dT2F5I8qrJHAlfTGTiSz3PP+7jfTGCXV9SlUdM3OT+c1L/pivkYNQCg==
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

2026-09-17T09:47:16.452551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089243
observed 53caab65a89f923615837467e3c2b872...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:16.436267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089243/manifest.json
observed 4e9a87103f89585c912538ccab0ae4f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:16.420220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089243/publication.md
observed b2eb040f48b32116cc010aabe8033d21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:16.404396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089243/publication.txt
observed d699af494fe1a13af3a753069e45a1f8...
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.