OpenTechnical

OT-2026-000091599

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single 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-2026-000091599) never changes.

Identity and time

Publication numberOT-2026-000091599 · never reused
Internal UUID01a0ae9d-43b8-7176-92f1-e3f9b81fbe55 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091599
StatusPUBLIC

Content hashes

Canonical text6878563f5307bd5ed943ba751973c443ac80ffc4db29b223255b3e96b87a4317
Markdownbaecbc6c28aee7ba104b2e8c0ff1dca079de6e6fb54135b95c00187ed386ad57
PDF
Publication page1e8daf05478d2c5798fae41dec8674abad71afae8d927e1bedbdfcf329c39405
Manifest9cbaa858a5583ec5c30d9b1266444dc968231becdb0c09765a3321f740dde604

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
SignatureyjGRcCAxrKaizvjLceT3F54kMLhQ6OE+cOXw1xA3ikm0NzqPdGy/nJmsIy+bsUG0Sd8nQMnoowxqt3YT6VzaAA==
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

2026-09-17T09:41:57.113436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091599
observed 1e8daf05478d2c5798fae41dec8674ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:57.096233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091599/manifest.json
observed 9cbaa858a5583ec5c30d9b1266444dc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:57.079191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091599/publication.md
observed baecbc6c28aee7ba104b2e8c0ff1dca0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:57.060281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091599/publication.txt
observed 6878563f5307bd5ed943ba751973c443...
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.