OpenTechnical

OT-2026-000068283

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000068283) never changes.

Identity and time

Publication numberOT-2026-000068283 · never reused
Internal UUID01a0ae90-2480-777d-a84f-1e342ba95fcb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068283
StatusPUBLIC

Content hashes

Canonical text5f094efd87cd8b9041113b4d297f84632c5d8af1b7d6471413a9fcafdf45e609
Markdown5ca3418bdcf17a5fdb16d3ff872a26292b731cab9db8787a4b736550b5b39287
PDF
Publication pagec2ff10bb2dabf14835ee02182270496f102d604518c1719a84c4826011ec993b
Manifest83a69a7717bd947ac2e9a2c6f63cb01305d9e808ac099ac9f9f994ee24e78284

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
SignatureS6Smi++NgnbqhjMqBdto3h9E5PZZFqa8XL0ZXSEBnGZbxQin7L4QM1SrVKenys4ToC96pe4EjE7WrR32hVcVDA==
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

2026-09-17T10:29:18.787094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068283
observed c2ff10bb2dabf14835ee02182270496f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:18.771596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068283/manifest.json
observed 83a69a7717bd947ac2e9a2c6f63cb013...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:18.754505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068283/publication.md
observed 5ca3418bdcf17a5fdb16d3ff872a2629...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:18.738671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068283/publication.txt
observed 5f094efd87cd8b9041113b4d297f8463...
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.