OpenTechnical

OT-2026-000089185

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, supply line pressure sensor, 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-2026-000089185) never changes.

Identity and time

Publication numberOT-2026-000089185 · never reused
Internal UUID01a0ae9b-db00-7f1d-a2db-9b1750db0b80 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089185
StatusPUBLIC

Content hashes

Canonical texta17a5ba3a2620e66118b96c0ff789e8f7f4f6c1b8f9c56caaa6b6673812a34e8
Markdowna3088d98e9412f2d25ac1d5f3f548896245e3862fac54e4902a37460e6e80f4c
PDF
Publication page8c4979f711ea8d36d802c2475cf1eebc93d6be19e5e60551172b045a36510909
Manifestbef1363d2f28d72a64ac3dde191c3867428a363e2f136c9540d0f960930eefb5

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
SignatureW/Z++oPXGbgpI0ypqxmOMuPCx1vxMcyml4ZWhP6DPjJOGFWTfMsVsPFqproWxXwtT7BbFrYmAyH5RyKTLaTYBg==
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

2026-09-17T09:47:11.977644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089185
observed 8c4979f711ea8d36d802c2475cf1eebc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:11.959706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089185/manifest.json
observed bef1363d2f28d72a64ac3dde191c3867...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:11.940947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089185/publication.md
observed a3088d98e9412f2d25ac1d5f3f548896...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:11.923066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089185/publication.txt
observed a17a5ba3a2620e66118b96c0ff789e8f...
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.