OpenTechnical

OT-2026-000084048

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000084048) never changes.

Identity and time

Publication numberOT-2026-000084048 · never reused
Internal UUID01a0ae98-5b5e-7970-89b2-de3de38bf937 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084048
StatusPUBLIC

Content hashes

Canonical textc7e326ab38b2f17eeace7c28d10f2a4f1d95202e2edbd4d5305d2aa4266150a4
Markdown79c64d60b978b124e72b62f24f437e3e9fe7bf730e6ec2f5b5edd7244a95e641
PDF
Publication page4eb609259a246dbaa289432b539e3a3dee87f3dd33904a3bda6a6351d7910e78
Manifestf18ace2777fec06f5f1e5d07b9fcf692acb9afcf3427711021b7788ee51b0b14

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
SignaturexCgN8Zk4lEpPiPnoB40B/cHcD1cYyx2ZEbLflQnBiyVCaNwwQl9J4FsNpMtGs2DIy6PJtrexTLqVo6Vw2BjwCA==
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

2026-09-17T09:55:46.892424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084048
observed 4eb609259a246dbaa289432b539e3a3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:46.874631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084048/manifest.json
observed f18ace2777fec06f5f1e5d07b9fcf692...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:46.856901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084048/publication.md
observed 79c64d60b978b124e72b62f24f437e3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:46.838320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084048/publication.txt
observed c7e326ab38b2f17eeace7c28d10f2a4f...
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.