OpenTechnical

OT-2026-000075985

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, pressure sensor per zone, pulsed 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-2026-000075985) never changes.

Identity and time

Publication numberOT-2026-000075985 · never reused
Internal UUID01a0ae94-2a00-7fc5-ac4e-0f218975a06c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075985
StatusPUBLIC

Content hashes

Canonical texte444e59bd833d3a8333c7127dc7330a2c58903da97f270b0c5ddabade780c8b7
Markdown9984d201db8a25ff9b81e4bfb0bae9a58627309fb70a8390ea54d4be52f6e686
PDF
Publication pagee1f92cdc9203aabebda3f2975927abde75ccc4c6c30637c75a5298be193e0b8a
Manifest3441e51a9212693c057af66eb5347e2333fec12e4025f4dcf4591debd6cfdbea

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/wI4tZ8tHs+QKOnoCMGo40TiQOexOYrNV9aXcfccl0e8owHO/Kedw6JaKAIOXB/g3U9cBvI2+QRdqf+hDDhEDQ==
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

2026-09-17T10:20:13.817829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075985
observed e1f92cdc9203aabebda3f2975927abde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:13.795678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075985/manifest.json
observed 3441e51a9212693c057af66eb5347e23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:13.776110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075985/publication.md
observed 9984d201db8a25ff9b81e4bfb0bae9a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:13.757005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075985/publication.txt
observed e444e59bd833d3a8333c7127dc7330a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:02.236582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075985
observed e1f92cdc9203aabebda3f2975927abde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:02.216653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075985/manifest.json
observed 3441e51a9212693c057af66eb5347e23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:02.196563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075985/publication.md
observed 9984d201db8a25ff9b81e4bfb0bae9a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:02.055657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075985/publication.txt
observed e444e59bd833d3a8333c7127dc7330a2...
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.