OpenTechnical

OT-2026-000086200

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two stage ejector, 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-2026-000086200) never changes.

Identity and time

Publication numberOT-2026-000086200 · never reused
Internal UUID01a0ae99-e82c-7c3c-b7b7-c7f8729bc2fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086200
StatusPUBLIC

Content hashes

Canonical text6dd26744a04ee3bba71da28bdbd87c0140ff2a7d83b4bcb229687d73d9f5f447
Markdown1aec995c24199ef9eddc2725c6fb129a8609c07d2a2e8c530807bc58d621f269
PDF
Publication pagebbd6b87202d41de6acb71320a0dd79fa07b298e787b675254c78f08f88cdfd3f
Manifestca3a8bdde1ec4e310e3f903035715900a4197f466ee926fef897f971d2f3f1e1

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
SignatureZXNOD7ky64UICaP4TVdND3VetqMpt1NMcpo5mFXrZ3LpdhWwM1Orlr9MMPLQD5XS5/I4o5t76Xb18kcXjbvsAw==
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

2026-09-17T09:53:52.830300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086200
observed bbd6b87202d41de6acb71320a0dd79fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:52.812221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086200/manifest.json
observed ca3a8bdde1ec4e310e3f903035715900...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:52.794135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086200/publication.md
observed 1aec995c24199ef9eddc2725c6fb129a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:52.776236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086200/publication.txt
observed 6dd26744a04ee3bba71da28bdbd87c01...
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.