OpenTechnical

OT-2026-000080401

Publication integrity record

Foam pad 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-2026-000080401) never changes.

Identity and time

Publication numberOT-2026-000080401 · never reused
Internal UUID01a0ae96-7e78-7e17-86a8-0fef6864c290 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080401
StatusPUBLIC

Content hashes

Canonical textf2245713d5bb03b4f81fd01c8d163ffa90e0aa3ccc2a35532b85044555fcdbf0
Markdown3d696ca141bedbec9088748e1eb58985b868b2de5ebcbca619c80e4842b92a27
PDF
Publication page7868fd460b64932254f4faff181c0b2382801af3c4af1ae588e00f0b01b6b3e0
Manifest83390d891983713a1ac87ff46bfb2d600e09d9c697c39bc40f0dc18f0dcef668

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
SignaturelTtBDfruj0u9ZPPMIZ+jZVScuDqFeNa7WY8a+3OObDZTygHF36eXjF0YlDbxmo3v+QVLIY/5qkkSAh6wkQaiAQ==
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

2026-09-17T10:02:54.094095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080401
observed 7868fd460b64932254f4faff181c0b23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:54.076875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080401/manifest.json
observed 83390d891983713a1ac87ff46bfb2d60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:54.060770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080401/publication.md
observed 3d696ca141bedbec9088748e1eb58985...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:54.044304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080401/publication.txt
observed f2245713d5bb03b4f81fd01c8d163ffa...
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.