OpenTechnical

OT-2026-000087518

Publication integrity record

Three bellows cup vacuum gripper, three zone face, 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-2026-000087518) never changes.

Identity and time

Publication numberOT-2026-000087518 · never reused
Internal UUID01a0ae9a-cd51-7238-ae73-163f727d47de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087518
StatusPUBLIC

Content hashes

Canonical text38fef2ae4bffcf1ffaccfac8c15c1f737a588f29827d850d16836b0115ad286a
Markdown6dcb7f3f012204dd8af926e3d26a7f837bc510522e527ed19b5b69279b302b49
PDF
Publication page00744dd47c3921603458ff8671594a0b44a40c5b0e7f4ee7b33f464c0dd03007
Manifest6f293eecee90a21f45a84b184df36e39b8b6a01154f83b892f4a368ed6ec5188

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
SignaturefRFh05W52XaIHb1jHVPBraTX+E/ghx82GaUwF1DGBljLGHGigIWFKyH0qVsDVr6OdGnawNhsSdF6EUu9hseMDQ==
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

2026-09-17T09:50:51.251088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087518
observed 00744dd47c3921603458ff8671594a0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:51.233724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087518/manifest.json
observed 6f293eecee90a21f45a84b184df36e39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:51.216119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087518/publication.md
observed 6dcb7f3f012204dd8af926e3d26a7f83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:51.197868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087518/publication.txt
observed 38fef2ae4bffcf1ffaccfac8c15c1f73...
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.