OpenTechnical

OT-2026-000074219

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000074219) never changes.

Identity and time

Publication numberOT-2026-000074219 · never reused
Internal UUID01a0ae93-7178-758f-8a43-282b9a5df6e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074219
StatusPUBLIC

Content hashes

Canonical text36e1f403b91654bbb47f9fec437ab25489b3fe72a76884f5063f750913f269d4
Markdowna9776d502f003ef28303d6d79624c5d532bc3aa56e92efca4b9c1bcb262bbeec
PDF
Publication page66d71846eae6d456250e529f76f7b536e6f62368d71440a515409c2709ffa038
Manifest28eacee4cd3bdee308ead9ab208a555734ba7c923db7974ce4a9973dc6d7bf85

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
SignaturexL0POybFah+6fcQtxDsKwFL+rp4ntvxjtV/EEIc+F6AM1n5MLFySPYfspWH3RopabQ6U/bxXJ01aSl8zQeUvAw==
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

2026-09-17T10:19:04.872593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074219
observed 66d71846eae6d456250e529f76f7b536...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:04.854113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074219/manifest.json
observed 28eacee4cd3bdee308ead9ab208a5557...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:04.836901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074219/publication.md
observed a9776d502f003ef28303d6d79624c5d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:04.817970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074219/publication.txt
observed 36e1f403b91654bbb47f9fec437ab254...
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.