OpenTechnical

OT-2026-000041216

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, pulsed blow-off 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-2026-000041216) never changes.

Identity and time

Publication numberOT-2026-000041216 · never reused
Internal UUID01a0ae79-b143-7f29-8c37-09e4a0947a67 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041216
StatusPUBLIC

Content hashes

Canonical textcde7bcda35775737c891fc9620e1569c8d2329a2d8f0b430670b7a46d448fcc8
Markdown1e6b4816e9174f9483b0823372fa53f9a474e96e91ec183544096d5109d22a13
PDF
Publication pagef0467ff556fff91ba0d13c7aac3ff9b23ff43b5479988d4bdb7b15aea2f45e6f
Manifest4a36483dd67d6f6e7539fb1e53fd4291a8ce305f3624eac5c733fee57371520c

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
SignaturesVMJ9CzkDeMAPQi8B8Tzv4kmwyCN/24h5KefbwQNtPaqrqedPBBgPXZPQlYGhkWMME2F3IR6kPBt9njGpUfbBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:17:10.647000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041216
observed f0467ff556fff91ba0d13c7aac3ff9b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:10.628168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041216/manifest.json
observed 4a36483dd67d6f6e7539fb1e53fd4291...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:10.609640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041216/publication.md
observed 1e6b4816e9174f9483b0823372fa53f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:10.590323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041216/publication.txt
observed cde7bcda35775737c891fc9620e1569c...
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.