OpenTechnical

OT-2026-000060068

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, sustained 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-2026-000060068) never changes.

Identity and time

Publication numberOT-2026-000060068 · never reused
Internal UUID01a0ae8a-5a71-7ad1-b73d-ff18fd3f3e09 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060068
StatusPUBLIC

Content hashes

Canonical text5b2ea946f7944537e37229b9a3033790a61d3f9fc585169052974fc703d1a22e
Markdown06a997a7f2d413f9d385363ed9062fe99242b8a9ebed072deabe7c025bf9db3d
PDF
Publication page282fc80060290e6598fd1598134e5de7c1d6af4d36c6abebf2e4a7382b34df65
Manifest0dbafbf1f3869d60dea20c3aabb5a53cf68d67d530250e3a17d2c22c68207255

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
Signaturez9X+vsv1F18Wz2d5DpUlRfllXYNpT/LTbv02UQ6mpdu/fKotZSYrwHw2wr8UI/XcsdQobAOHPKxkJ+Vrxd6HAQ==
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...

Independent retrieval

2026-09-17T10:43:41.982119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060068
observed 282fc80060290e6598fd1598134e5de7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:41.963776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060068/manifest.json
observed 0dbafbf1f3869d60dea20c3aabb5a53c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:41.943222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060068/publication.md
observed 06a997a7f2d413f9d385363ed9062fe9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:41.923209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060068/publication.txt
observed 5b2ea946f7944537e37229b9a3033790...
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.