OpenTechnical

OT-2026-000089234

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000089234) never changes.

Identity and time

Publication numberOT-2026-000089234 · never reused
Internal UUID01a0ae9b-db00-73e2-b4d1-9200ae350924 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089234
StatusPUBLIC

Content hashes

Canonical text743f8fd23a808fe87b07223f6e3d75dfc825bb155666d3a83175decf833b57b5
Markdown8f1d61857312f8487491ad71def9c6332fc4997315643675f732dce446ec0abc
PDF
Publication page72d065c41cc8d5979cd870a6201cbd7b87d8734b430b3fe9baf109f309c9dd76
Manifest8c26f0fe6f43471c9a41af4263e61dec98eec30361ecab7329657ac0811084f2

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
SignatureNLhKOx0YbUq4EdtFivCB62K7FFY1PTRisXYFXtxOegjeWnCpqdXKvhvBjgJYqhXSkjh9n1CXEnkVm/pgwLzfDg==
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

2026-09-17T09:47:15.877830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089234
observed 72d065c41cc8d5979cd870a6201cbd7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:15.860414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089234/manifest.json
observed 8c26f0fe6f43471c9a41af4263e61dec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:15.842787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089234/publication.md
observed 8f1d61857312f8487491ad71def9c633...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:15.823896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089234/publication.txt
observed 743f8fd23a808fe87b07223f6e3d75df...
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.