OpenTechnical

OT-2026-000084497

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, 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-2026-000084497) never changes.

Identity and time

Publication numberOT-2026-000084497 · never reused
Internal UUID01a0ae98-e259-7691-baae-b16e5a75ec01 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084497
StatusPUBLIC

Content hashes

Canonical texteba0e0e1e6ebb9b54242978e3f3226816f8552a3a877b4bf48a60bda67050610
Markdown5429b386c8738790e2039dbd75e6ae3943aaac3d763aace0e69abff82051ca2c
PDF
Publication page85fcc4df8a17580ee5a3f59578218d92b764141f655b472865cdde5580e84196
Manifest0228d20a87f0cae02f03378f7fea06479bc3c00d5fef8414a8d5f357473b6573

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
SignatureTIphjGZcVhehFHy30GEg8nLwdV9jCb4A8uswSvM2uS1KS6nXCR0MnK0AnNMLh3Mlc71xWUsQ3+Ibm3d5kJUwBw==
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

2026-09-17T09:55:22.273405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084497
observed 85fcc4df8a17580ee5a3f59578218d92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:22.256941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084497/manifest.json
observed 0228d20a87f0cae02f03378f7fea0647...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:22.236854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084497/publication.md
observed 5429b386c8738790e2039dbd75e6ae39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:22.220115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084497/publication.txt
observed eba0e0e1e6ebb9b54242978e3f322681...
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.