OpenTechnical

OT-2026-000061800

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000061800) never changes.

Identity and time

Publication numberOT-2026-000061800 · never reused
Internal UUID01a0ae8b-b8ac-7878-96e2-90f44f4eb97e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061800
StatusPUBLIC

Content hashes

Canonical textc2fc97888761b28348ce791b7514d9dd053c48cd3b9431bcb6bb93dd6f6bd1ed
Markdown87adec709b32ea46a910932da6692a7c49ea5e416adf0de8d28d4c3f02d2c866
PDF
Publication page552f7c90c7d7f2335eb9fb0de7c581d606aafb224c10d815598deff973d4127c
Manifestf0b41e1f2a959333543003825582e82172142db4839df1f04a032d5c7cb6db6f

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
Signature6pCq0RX3fkUH/R8szgy10lE+3qPvjfIGns4Z7Tp/RSXniHfINfQwQlz1O+094TA1h9JZpt1ez8mVHakEcGWJCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:31.392803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061800
observed 552f7c90c7d7f2335eb9fb0de7c581d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:31.371163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061800/manifest.json
observed f0b41e1f2a959333543003825582e821...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:31.349764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061800/publication.md
observed 87adec709b32ea46a910932da6692a7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:31.329193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061800/publication.txt
observed c2fc97888761b28348ce791b7514d9dd...
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.