OpenTechnical

OT-2026-000083436

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented after 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-2026-000083436) never changes.

Identity and time

Publication numberOT-2026-000083436 · never reused
Internal UUID01a0ae97-c964-7213-a1e3-011618e8c528 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083436
StatusPUBLIC

Content hashes

Canonical textaf334a53224ab3ee63183113c06c03e53f0a7e390a4638596a7ce0e2ee1286ea
Markdownc64550bd7e4f3dd7556a3b63690daa5eac6cb322a17d790b2860f0407cea1e08
PDF
Publication pagebd917a95ab3a14b1d53690a1076f299cfc7a46fd83e7e5772305c62c7c4fe597
Manifest5bdc8c1eff40189f2f552e79da6c24be8aae75c8087151e5ef5fbcbdaaec9b92

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
SignatureaSogUqcoWtMTWolttHMwW2o/9CfMeMVOUr5kDn/Mb7lCAq3FB/1sK3KpmOXKWj4SeH8XgjG2iFVkOxGIAyLjAg==
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

2026-09-17T09:57:51.213825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083436
observed bd917a95ab3a14b1d53690a1076f299c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:51.197743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083436/manifest.json
observed 5bdc8c1eff40189f2f552e79da6c24be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:51.181412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083436/publication.md
observed c64550bd7e4f3dd7556a3b63690daa5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:51.165140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083436/publication.txt
observed af334a53224ab3ee63183113c06c03e5...
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.