OpenTechnical

OT-2026-000055960

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, sustained blow-off after 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-2026-000055960) never changes.

Identity and time

Publication numberOT-2026-000055960 · never reused
Internal UUID01a0ae87-0a4a-77fd-9ed4-b20aa0a106db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055960
StatusPUBLIC

Content hashes

Canonical textf1effa7290f6dea0e8a0523e0ce1ebc33bf569901fcdf121674d7da6572a2a6c
Markdown9528d94644bb9c2f4ff4ebb9b0db0c062b9a117bd53d78ecc71525835b996e7b
PDF
Publication pagec5ef2a4a2cc9b8e74bc376d4834a9039f9fd4cfb879923258e31a4e5dd09b577
Manifestfee91065be25e01b45c387e5dbbb1d3564cdd0063453423fc2a0c1b54dd3e4af

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
Signature0nMCVbHwqO2iZJGeCxNWrEsZoc+dgOazTk1BVHcFX9WxYBJyTgAvf0nwPZCX3LYHgas9AGMzXJ5BPhQxogDbDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:28.869242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055960
observed c5ef2a4a2cc9b8e74bc376d4834a9039...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:28.851653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055960/manifest.json
observed fee91065be25e01b45c387e5dbbb1d35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:28.832787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055960/publication.md
observed 9528d94644bb9c2f4ff4ebb9b0db0c06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:28.816414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055960/publication.txt
observed f1effa7290f6dea0e8a0523e0ce1ebc3...
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.