OpenTechnical

OT-2026-000085819

Publication integrity record

Four cup vacuum gripper, four zone face, three stage ejector, sustained blow-off before set-down

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-2026-000085819) never changes.

Identity and time

Publication numberOT-2026-000085819 · never reused
Internal UUID01a0ae99-e829-7feb-ba13-261e885cb2ed · 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-2026-000085819
StatusPUBLIC

Content hashes

Canonical text138dd12e8ad3a02fd99098ecb78ae0a3d66fe1cfcee1e7237bf2dfeeb0e0548d
Markdownbee757e72d698850287ef788ebfd44362cefcbe72d48bfa38fccc960e0f36e7f
PDF
Publication pagee3e7d7ccab6775b0fb0b62212370c3607f256a7b4a34962530b7fed24404354f
Manifestc33c9361b22d11df646985b3cf1faa12880eac7802565a3c4ac436b6a66a8533

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
Signature0v/gQWkKn3f2kKoxJHBbIHmwqAkqUKj9V1YC5zNlE3s300lKsm6LTcD5TEbcsPVkyjyuF17thag6AhOtZFKtDA==
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

2026-09-17T09:52:44.404623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085819
observed e3e7d7ccab6775b0fb0b62212370c360...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:44.388121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085819/manifest.json
observed c33c9361b22d11df646985b3cf1faa12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:44.372452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085819/publication.md
observed bee757e72d698850287ef788ebfd4436...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:44.355442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085819/publication.txt
observed 138dd12e8ad3a02fd99098ecb78ae0a3...
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.