OpenTechnical

OT-2026-000082142

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, vented after 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-2026-000082142) never changes.

Identity and time

Publication numberOT-2026-000082142 · never reused
Internal UUID01a0ae97-4d93-72a5-af64-cac68288975e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082142
StatusPUBLIC

Content hashes

Canonical textcc1fa54596f2ea54fb8b74959c8f97ff89e5512aa6848e773f4e5de6845e81e0
Markdown11321469abf9c8bc52440e918450b683a1a9d19e77de4aa9afa6da2aac068aba
PDF
Publication page1627e76f7ef10e72d2c9d8c6d526123c26aba9a6dec80da8ae6d65939eb2369c
Manifestc8cf25a63b24b3ce039c642c21672479a5a9b09dc25e8cc912b1d19586e75c00

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
SignatureCLFZFmZi0c39d8LsgFsgX+FhAgKEp2U8ldY89lRXg5df/AmztD6bUcuvB5FVTKmkGbCaE/HRKlSuffIFreVNAQ==
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

2026-09-17T09:58:57.712352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082142
observed 1627e76f7ef10e72d2c9d8c6d526123c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:57.694346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082142/manifest.json
observed c8cf25a63b24b3ce039c642c21672479...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:57.675316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082142/publication.md
observed 11321469abf9c8bc52440e918450b683...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:57.657272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082142/publication.txt
observed cc1fa54596f2ea54fb8b74959c8f97ff...
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.