OpenTechnical

OT-2026-000090786

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, two stage ejector, pressure sensor per zone, 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-2026-000090786) never changes.

Identity and time

Publication numberOT-2026-000090786 · never reused
Internal UUID01a0ae9c-7f31-7907-82bb-b67742942f08 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090786
StatusPUBLIC

Content hashes

Canonical text8293bde9c308f1e2d85116c41500f36a78c8f658b0cfea016d9ef99c9d2ca37e
Markdown79bcdb8f712e74bc462fde95efb9374eecd2bf99585e86a122f5794e484272c2
PDF
Publication pagea8e57591e392300b1f0d6c6f97aceb295049f7e12771e5523bc01c909531d139
Manifest0990b01ff6e0b8d85d86e3354a5490b28f56f5e936ba654a42720776bb6d75cc

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
Signature1TTsLSAlCr41KrPvXmCpNWP9VBzeTR0zGiXZKr/lVRCVJEJtTO/FQlVlPYb10Rkh6JeT7fW8ls3NwF8aqWEiDQ==
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

2026-09-17T09:44:59.425958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090786
observed a8e57591e392300b1f0d6c6f97aceb29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:59.409240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090786/manifest.json
observed 0990b01ff6e0b8d85d86e3354a5490b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:59.387343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090786/publication.md
observed 79bcdb8f712e74bc462fde95efb9374e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:59.365308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090786/publication.txt
observed 8293bde9c308f1e2d85116c41500f36a...
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.