OpenTechnical

OT-2026-000086105

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, 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-2026-000086105) never changes.

Identity and time

Publication numberOT-2026-000086105 · never reused
Internal UUID01a0ae99-e82b-7c79-981d-ba09d7f70b4c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086105
StatusPUBLIC

Content hashes

Canonical text08a3cdd0865a32c53c245fc1d88db6b9ce06bc0f99e3e49350e79a4bce0fb7ca
Markdown2a4fb14c9f3d4bab23d6184d079444314aad6c979511c76a92342a128e838a15
PDF
Publication paged48989080b602c7b279cf462bb9c9fa937c5de6e9f94e74eda8557750195aa88
Manifest1dd8485179cd96035206b2d81b7d7c14aaf8be3a0eaba13f103b91a0790393f6

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
Signaturet3OPfdfd3saYbeSGyNM0+ZB9QTQNbUrHuDlbjvaRn2ObmsJ70mTZm56HGnXAHNLMz9HXVRSNcd9B/B2qi++LBg==
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

2026-09-17T09:53:45.478291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086105
observed d48989080b602c7b279cf462bb9c9fa9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:45.460775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086105/manifest.json
observed 1dd8485179cd96035206b2d81b7d7c14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:45.441835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086105/publication.md
observed 2a4fb14c9f3d4bab23d6184d07944431...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:45.423097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086105/publication.txt
observed 08a3cdd0865a32c53c245fc1d88db6b9...
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.