OpenTechnical

OT-2026-000076655

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, single stage ejector, pressure sensor per zone, pulsed 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-2026-000076655) never changes.

Identity and time

Publication numberOT-2026-000076655 · never reused
Internal UUID01a0ae94-b06e-7d54-a989-58ce66f4e58f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076655
StatusPUBLIC

Content hashes

Canonical text51d6643f8b22c69cdc8ed4b5f3c9782d6b05fe104be104a7dd3556c6e21f0c5f
Markdown1a74514630d1e5aece2f6a7f9f3fee8357a82d27e178608426b90272497491ad
PDF
Publication pagebf483364dc58b83a77ef5bd003600585528f3a74e4523a7a44c05838f32dbded
Manifest8f113c190d79854421961ae5c38383ce570bd1657bc919a43fd5456d6c0a5591

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
SignaturegAkjQFduhBkVH56dXN3qzmCTuUkIQkCH4Dn3Al6wq/dwDMJaymkwaHJ+FzknHvx8sGNOxYYa/3Xn9Cniw9T4Cg==
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

2026-09-17T10:09:24.016302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076655
observed bf483364dc58b83a77ef5bd003600585...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:23.993986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076655/manifest.json
observed 8f113c190d79854421961ae5c38383ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:23.973043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076655/publication.md
observed 1a74514630d1e5aece2f6a7f9f3fee83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:23.951243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076655/publication.txt
observed 51d6643f8b22c69cdc8ed4b5f3c9782d...
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.