OpenTechnical

OT-2026-000077184

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, vented 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-2026-000077184) never changes.

Identity and time

Publication numberOT-2026-000077184 · never reused
Internal UUID01a0ae94-f508-7754-95ca-15319ea66243 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077184
StatusPUBLIC

Content hashes

Canonical text4c6ce41fab214799835d4c6baf3cbe0006c1a86ad24336827f931bee81a2647c
Markdown37b4b38b56917dfe77fdc3c54868da5cb60eba76451f28245223c4fc3c9d62b3
PDF
Publication paged8092cf41595da494178646b88293158f3f7e39efea9ff541c2ed75f3679e675
Manifest9f884ecebd73400b4743cffc47ddeb0c7c71b3e47b2f3ba773e5277f197f5938

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
SignatureI1otEcS9jkVw/TsqZUPI3F0gBrlj0AjsaSEfhKzauTRkgZ4oNjzrIvFnsmXJpfc89Xtby0L9gVQrKGCmtTmkBg==
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

2026-09-17T10:10:56.978876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077184
observed d8092cf41595da494178646b88293158...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:56.962086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077184/manifest.json
observed 9f884ecebd73400b4743cffc47ddeb0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:56.942642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077184/publication.md
observed 37b4b38b56917dfe77fdc3c54868da5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:56.549132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077184/publication.txt
observed 4c6ce41fab214799835d4c6baf3cbe00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:24.694135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077184
observed d8092cf41595da494178646b88293158...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:24.675057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077184/manifest.json
observed 9f884ecebd73400b4743cffc47ddeb0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:24.656410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077184/publication.md
observed 37b4b38b56917dfe77fdc3c54868da5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:24.638348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077184/publication.txt
observed 4c6ce41fab214799835d4c6baf3cbe00...
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.