OpenTechnical

OT-2026-000082138

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, 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-2026-000082138) never changes.

Identity and time

Publication numberOT-2026-000082138 · never reused
Internal UUID01a0ae97-4d93-76b8-898a-0c0d8f24a075 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082138
StatusPUBLIC

Content hashes

Canonical text8e4d6d3193a6b83dd6f5a23096cb4aa18ad49368b333292be68ca77b142265b9
Markdownb1bdb277fb4a2cbc64b8e8dd0eda009355a26a7e5482cd36e702518ce0181622
PDF
Publication pagefcb0a593281203d157ba86c094aae3a7b4a07ec680c15211ce887d2d8300251e
Manifest0e2280a2fd22763c4c2112fa9f6b5f434b8c05912c08fa7754f6ae38feae6472

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
Signature3VvlBu2+BVV9x2gWZ4+8R5FJRhWO8uMAj3soKjWVA8WyTao4iI40SgKE8c9UKqaGjmFOYbooDKKhE3qPWs04DA==
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

2026-09-17T09:58:57.349548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082138
observed fcb0a593281203d157ba86c094aae3a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:57.331732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082138/manifest.json
observed 0e2280a2fd22763c4c2112fa9f6b5f43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:57.313158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082138/publication.md
observed b1bdb277fb4a2cbc64b8e8dd0eda0093...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:57.294217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082138/publication.txt
observed 8e4d6d3193a6b83dd6f5a23096cb4aa1...
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.