OpenTechnical

OT-2026-000086732

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three 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-2026-000086732) never changes.

Identity and time

Publication numberOT-2026-000086732 · never reused
Internal UUID01a0ae9a-2c99-75e3-90a2-ea78b0709a3e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086732
StatusPUBLIC

Content hashes

Canonical text43b8a0abd2be794172b178bd3ae90b4c6b65abfa4e0751bad36005299735941f
Markdown3c100549596079e9b5b332eb4f421a3307df8dc3b74d47e7c315568397dcc56f
PDF
Publication page6d1684c4fa78807f4127e3e0acc1b0525e4648f09384dfae7485c57653007e74
Manifesta0af375450d546d27c2eaea1c52be24fdee37680b1ad62d144d2cb15ed681993

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
SignatureA3XgMH3tnx5iLoqYV4MzisQl9kWcnAJocTKaDazLpA+QhG8ZkhAxWml6xsH3s7JLlXRbpuYlMespgpxCk+tsCA==
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

2026-09-17T09:52:36.680019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086732
observed 6d1684c4fa78807f4127e3e0acc1b052...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:36.662251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086732/manifest.json
observed a0af375450d546d27c2eaea1c52be24f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:36.645425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086732/publication.md
observed 3c100549596079e9b5b332eb4f421a33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:36.625919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086732/publication.txt
observed 43b8a0abd2be794172b178bd3ae90b4c...
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.