OpenTechnical

OT-2026-000091716

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, pressure sensor per zone, sustained blow-off before set-down

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-2026-000091716) never changes.

Identity and time

Publication numberOT-2026-000091716 · never reused
Internal UUID01a0ae9d-43b9-792b-b34b-f6c6a2320618 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091716
StatusPUBLIC

Content hashes

Canonical text490abaccb41dd7a3a1af48f240bae28fa2e05afdc11dcd2eb7c35ed6826d660a
Markdown3e7ee8ce58462db9a6950bbe32683c56d982c03fb9f37e6d0ff7fabcc7ab62e4
PDF
Publication page93e3dbd19f13b0ea4377c2f5cf4913753e743506f627be3aa40ff46de5c79a0c
Manifest4557febfbdbf8bf2709b4887510a056303d46d9b4510f679dcd16ed893e47f0a

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
Signature7psdjapeCZ/GAPOCd6/uojmzeejzJ26Pn1R+nExKSVGFB0tdZfzwMRQNXPxpJcJPBIYtZ9Mxqc31kElApT/vDg==
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

2026-09-17T09:42:04.700854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091716
observed 93e3dbd19f13b0ea4377c2f5cf491375...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:04.681353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091716/manifest.json
observed 4557febfbdbf8bf2709b4887510a0563...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:04.633835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091716/publication.md
observed 3e7ee8ce58462db9a6950bbe32683c56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:04.583598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091716/publication.txt
observed 490abaccb41dd7a3a1af48f240bae28f...
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.