OpenTechnical

OT-2026-000089626

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, manifold 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-2026-000089626) never changes.

Identity and time

Publication numberOT-2026-000089626 · never reused
Internal UUID01a0ae9c-1a21-79b1-98a4-5b233b177de0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089626
StatusPUBLIC

Content hashes

Canonical text28e28c1299dbecba04207e48d2b74797b00b576fcabf88a74e9e2bb06d2dfdf2
Markdown9d4497027c0aaebe50d5081bce7705629d3f78a4fca1fbd41bf8f2032263cbe4
PDF
Publication paged59d5224eac2166a784a98108b33da6f6df06f3a85200e96a1eb0ca141e809ad
Manifestadec29a7f8273416d10ce4fc6a1b12e2a33412f145251e7471e36c93305a14ea

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
SignatureTM3BilZQ0xTLgSqJeeKpbT7gy1RZ4PgYPYOhyy6lZaIbWy6YVBZwiQil98Zz1ZnTAtiCfOVs4w136WypU5VPBw==
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

2026-09-17T09:46:36.718567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089626
observed d59d5224eac2166a784a98108b33da6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:36.701312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089626/manifest.json
observed adec29a7f8273416d10ce4fc6a1b12e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:36.684223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089626/publication.md
observed 9d4497027c0aaebe50d5081bce770562...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:36.668068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089626/publication.txt
observed 28e28c1299dbecba04207e48d2b74797...
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.