OpenTechnical

OT-2026-000081215

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, 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-2026-000081215) never changes.

Identity and time

Publication numberOT-2026-000081215 · never reused
Internal UUID01a0ae96-f373-70a5-9626-ec869fd7b1ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081215
StatusPUBLIC

Content hashes

Canonical text6c4536af45862b5f0aec73baf96ddf8d0c57420d1091a372ecf2f2ace46d61c7
Markdown93ccf1990c1a688fbaf0c0f70da7f4753afbcff761f312954dc672b34d0cef57
PDF
Publication page432fc5ab8a0841c4b272309552c7208a870cea14f1e6b7e9136cb469f50b0557
Manifested1d1607501b15f9ae41954b36b08a0e6cce838454d33285f30b77e0ddc9529b

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
Signature+YyOcDBOk11Rm4gr04nHqtxil9NW02N7TCxCCJ9Va+s5Cal7fIqmccN8v17eysI8reC1U3lVjZAqMsFe4bSQDQ==
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

2026-09-17T10:01:17.705388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081215
observed 432fc5ab8a0841c4b272309552c7208a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:17.686269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081215/manifest.json
observed ed1d1607501b15f9ae41954b36b08a0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:17.667519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081215/publication.md
observed 93ccf1990c1a688fbaf0c0f70da7f475...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:17.646576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081215/publication.txt
observed 6c4536af45862b5f0aec73baf96ddf8d...
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.