OpenTechnical

OT-2026-000088137

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump fed, supply line 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-2026-000088137) never changes.

Identity and time

Publication numberOT-2026-000088137 · never reused
Internal UUID01a0ae9b-1aa8-796f-8e43-a2e99be66a0d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088137
StatusPUBLIC

Content hashes

Canonical texte9a875bca6d0952cf25ee9e6b1f39e6614fc3858dba719581ad34bb5a8029177
Markdown6faf4614f4309bfb92f6b77446ce93f00a6334e28a104d0e20e97d8ed0e9daef
PDF
Publication page77ee62b1091a0c28c21b4ac96bd3f2c85a3ffcccc5fd492d43b5d491ef65ba68
Manifest04928979483fcc9a9618483604a81f7bd254d54c8a8dc1bf221004098a13dae1

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
SignatureckGsh61LYaSL7opGQogwQRWDX55nB7p5TQNnrguBdrkxn+EFCSJFr5oFXTYnEytzCkIom2q4B7HF5BvkbgjyCw==
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

2026-09-17T09:50:10.303177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088137
observed 77ee62b1091a0c28c21b4ac96bd3f2c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.284744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088137/manifest.json
observed 04928979483fcc9a9618483604a81f7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.266595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088137/publication.md
observed 6faf4614f4309bfb92f6b77446ce93f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.250336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088137/publication.txt
observed e9a875bca6d0952cf25ee9e6b1f39e66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:09.606478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088137
observed 77ee62b1091a0c28c21b4ac96bd3f2c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:09.588889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088137/manifest.json
observed 04928979483fcc9a9618483604a81f7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:09.572114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088137/publication.md
observed 6faf4614f4309bfb92f6b77446ce93f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:09.556225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088137/publication.txt
observed e9a875bca6d0952cf25ee9e6b1f39e66...
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.