OpenTechnical

OT-2026-000027348

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, sustained 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-2026-000027348) never changes.

Identity and time

Publication numberOT-2026-000027348 · never reused
Internal UUID01a0ae72-6997-742d-85d3-fceb0f572e6e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027348
StatusPUBLIC

Content hashes

Canonical text2dcc080645e3f9d0061a6ec4e0419fa18db393c9d7f06e26cd54acb983aa66d2
Markdown589f6cd1dfed788baa1c1484c6e13790676d12cf06e8835af1432d9626d4681f
PDF
Publication pagecb7859cf0083b7872528c0f37512a468d3477faa5173f29684757abebf3f690f
Manifest37a9e3d93452bfdcc6da4799ac05cb8846632166c9ec74aa7baaac7aee87a40a

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
SignaturejwZdRk3bkbak49MOOrCsVMBBMnTVySBGtqtYOy/TEyNPvs81m0Raj+th1ah59wFq/+76Wh+zWyQ9bO9KghhxBg==
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

2026-09-17T11:42:45.387549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027348
observed cb7859cf0083b7872528c0f37512a468...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:45.367150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027348/manifest.json
observed 37a9e3d93452bfdcc6da4799ac05cb88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:45.349295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027348/publication.md
observed 589f6cd1dfed788baa1c1484c6e13790...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:45.329390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027348/publication.txt
observed 2dcc080645e3f9d0061a6ec4e0419fa1...
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.