OpenTechnical

OT-2026-000081934

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented after 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-2026-000081934) never changes.

Identity and time

Publication numberOT-2026-000081934 · never reused
Internal UUID01a0ae97-0f76-7d6f-88f1-36b1505ed9c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081934
StatusPUBLIC

Content hashes

Canonical textad862e270b67cb9ecbc17d8804ce675156d63c3002935ea359778b07d1c293bc
Markdown9468e8cb81341d59e99c6b35868ff93ccbcacde60a4a1c9eb237314ab745e672
PDF
Publication page41a917b409d5189c2fe500dce719b8cf7c7254057bd002ff96c7a158add59591
Manifest98273150fbc91fbe97572bffb0a2f4dc1fe0d17a966f40a384bf921ea406750d

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
SignatureBKGBo9EQzPF4/Egc/tgvKVcWwURhWN7X8LOuidZFPh2qmnx+PTAW1idBW/Pq0kblx2619ywSt9pRlPtvAya6Aw==
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

2026-09-17T10:01:03.965412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081934
observed 41a917b409d5189c2fe500dce719b8cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:03.948719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081934/manifest.json
observed 98273150fbc91fbe97572bffb0a2f4dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:03.931974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081934/publication.md
observed 9468e8cb81341d59e99c6b35868ff93c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:03.915251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081934/publication.txt
observed ad862e270b67cb9ecbc17d8804ce6751...
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.