OpenTechnical

OT-2026-000078314

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, vented 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-2026-000078314) never changes.

Identity and time

Publication numberOT-2026-000078314 · never reused
Internal UUID01a0ae95-7c27-7a29-b6df-cf2e83a27510 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078314
StatusPUBLIC

Content hashes

Canonical textd5bfb1c6528d88b9f1495fc2a271be663ef50ff3db7a11cd8e757bccfc5dc0cd
Markdown96a956045c44c155ab39419bb837f3f6ad15ee297b9767649341d39e2d7b075a
PDF
Publication page716b9569f7664df5e3cf36800a8393e66ae4609eac9ce35579a1dec50443fb30
Manifest1024708462b37de7bbd7d412f0eb2f33cb685272df7ac5915feb56200ddb898c

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
SignatureOIAfwRW+wqKtt3hKbUdovfx+r3i2DkIB1eiXbOz4qbCn33uck3P/1cBg+DWLIxP2UDy4Eu+0H/opP/cdQiRTAA==
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

2026-09-17T10:06:16.808614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078314
observed 716b9569f7664df5e3cf36800a8393e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:16.791916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078314/manifest.json
observed 1024708462b37de7bbd7d412f0eb2f33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:16.774042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078314/publication.md
observed 96a956045c44c155ab39419bb837f3f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:16.756444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078314/publication.txt
observed d5bfb1c6528d88b9f1495fc2a271be66...
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.