OpenTechnical

OT-2026-000090901

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pressure sensor per zone, sustained blow-off before 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-2026-000090901) never changes.

Identity and time

Publication numberOT-2026-000090901 · never reused
Internal UUID01a0ae9c-c011-7b97-87fc-5b0b1720f773 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090901
StatusPUBLIC

Content hashes

Canonical texte1c6d064e9ff3d56bdeb205ead2f3227aea05dfcdc0a0fdc45b3c86552ee97c1
Markdownd84186f156f368d05642b9d792d9fa2a4fa0206d72209b3e1d98297eaa5f5801
PDF
Publication page49bc45f926c1de9d4f8e11b05a0d842fdcea0afcc3fd8f94fb0dcd38c1fa64ae
Manifest9f7c7b3724b3f4243504563340af8d482d144dcf32b8d7a7fc16505465a16dea

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
Signature4BJJGnnK/KfKgG6i0pZP1PZUjHg8Liv9B6mogxQ4SAcsD8xY/RDBC9S2rMb6KuiDURd777rJik8RwyitL1KFCA==
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

2026-09-17T09:44:06.349427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090901
observed 49bc45f926c1de9d4f8e11b05a0d842f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:06.333031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090901/manifest.json
observed 9f7c7b3724b3f4243504563340af8d48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:06.314734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090901/publication.md
observed d84186f156f368d05642b9d792d9fa2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:06.297658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090901/publication.txt
observed e1c6d064e9ff3d56bdeb205ead2f3227...
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.