OpenTechnical

OT-2026-000089862

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000089862) never changes.

Identity and time

Publication numberOT-2026-000089862 · never reused
Internal UUID01a0ae9c-428d-7419-8c00-40fcb2fb57aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089862
StatusPUBLIC

Content hashes

Canonical texte2332a2f4099a38479735acfa1537d966094194e49a863eb55e77efbb39531b1
Markdown34334455118322cf8e4d955b2931017ca3c2363df86feaddd90be31c594a89a6
PDF
Publication page534eeb8cfe3cf0a11744c7b9251f5060c248fdd12c492830d4a466150d4c3b88
Manifest9c2e7bc320afddeb0fe88f45fbe593fd3400b0bd739ff8c05bd7dc6b6ff0dbca

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
SignatureJjLcw4oXxDO4ZEdvKsPj8k2kquxW5stt6fJnrFHnnycYjXXhWhm4xuOL8IkTzfAGgofE4AJ75PFaqGxLuKnxCQ==
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

2026-09-17T09:45:06.730161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089862
observed 534eeb8cfe3cf0a11744c7b9251f5060...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:06.709985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089862/manifest.json
observed 9c2e7bc320afddeb0fe88f45fbe593fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:06.692158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089862/publication.md
observed 34334455118322cf8e4d955b2931017c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:06.675644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089862/publication.txt
observed e2332a2f4099a38479735acfa1537d96...
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.