OpenTechnical

OT-2026-000079425

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three stage ejector, 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-2026-000079425) never changes.

Identity and time

Publication numberOT-2026-000079425 · never reused
Internal UUID01a0ae96-0b91-73c1-a7a6-9299c9c02ac4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079425
StatusPUBLIC

Content hashes

Canonical text755cc2de02efab9999a97df0052aae5e92decd597ac0f5ffd7b433df920193d5
Markdown8dc4ab062310f67ebf1e9f77c44ca2bda008282abdf6b9b6652d78f7d3cad464
PDF
Publication paged857893d2e47b7405075415d5ce2e92c1d810db08dd6b3b07bfa4d4ef6b83caf
Manifesta7e4c55bbbf191ae887e9ff2e14958fe02fe3b965f48e9b72db9fbcdbf94ed55

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
SignatureDbyrLJFqZQgFODy9tvV1IeWkQJzNmOSI+g3ti8B4ofvOvRLQVC/6zYahjo3+Q59l9FRsn6qoqxC3fl2Rn0n0AA==
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

2026-09-17T10:05:03.039542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079425
observed d857893d2e47b7405075415d5ce2e92c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:03.021587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079425/manifest.json
observed a7e4c55bbbf191ae887e9ff2e14958fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:03.003244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079425/publication.md
observed 8dc4ab062310f67ebf1e9f77c44ca2bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:02.985163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079425/publication.txt
observed 755cc2de02efab9999a97df0052aae5e...
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.