OpenTechnical

OT-2026-000082805

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, 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-2026-000082805) never changes.

Identity and time

Publication numberOT-2026-000082805 · never reused
Internal UUID01a0ae97-8cc9-7374-a079-7e6ddb06f9ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082805
StatusPUBLIC

Content hashes

Canonical text5fe1322b06aa343f19a6e79c861ca35ffaed77d2684c2300d1d053ccbf8168bd
Markdownea43a24bf9cec408613e00e70a73e89adc00db4aa292367c6a2633f6258d0cf7
PDF
Publication page605e929500a68f6afa70626a8420c57bcd7b3e94ae61dc62e6ca4ccae6b06dfb
Manifest4db647673ff4f80597817952c346e90e878bb1d3e52791d662d16ebd7921f868

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
SignaturekY3++EmUzUqiXIa/0SVqcaH7ygMd9kH60w2bas8nMKLWnRBZobEna4JO5QrADgBh1ykUgnoFURVOCyiqcVFUCw==
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

2026-09-17T09:58:23.937507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082805
observed 605e929500a68f6afa70626a8420c57b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:23.919384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082805/manifest.json
observed 4db647673ff4f80597817952c346e90e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:23.901953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082805/publication.md
observed ea43a24bf9cec408613e00e70a73e89a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:23.882661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082805/publication.txt
observed 5fe1322b06aa343f19a6e79c861ca35f...
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.