OpenTechnical

OT-2026-000061208

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000061208) never changes.

Identity and time

Publication numberOT-2026-000061208 · never reused
Internal UUID01a0ae8b-1381-7834-bf9a-724734b896ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061208
StatusPUBLIC

Content hashes

Canonical textafc79d851c25c11fab6dd704d8376e4e625aa68d9b6eade76ae39aab5ee7fdcb
Markdown261cc83d5b1883897a1f8590c6e381c35f5e3ad84076fcc0d68257bf45363f1e
PDF
Publication page0f60699ef93cba63a76f47b2ccf009234352af29c2348b8afd801b727dd84ea7
Manifeste0f5e3d19152e857ee189ca5cc4fcd1b082a1f41eec6d89e2d2c08f0b73b23de

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
SignatureIgxsolrgtRD4dygIOAC+E9BTytr1ZsBcws/qDTpRL+WC35qbHTJjUvtW6y39UJy5AhA5npz2F2BYgiuGwMStAQ==
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

2026-09-17T10:42:36.541049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061208
observed 0f60699ef93cba63a76f47b2ccf00923...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:36.521899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061208/manifest.json
observed e0f5e3d19152e857ee189ca5cc4fcd1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:36.502670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061208/publication.md
observed 261cc83d5b1883897a1f8590c6e381c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:36.485596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061208/publication.txt
observed afc79d851c25c11fab6dd704d8376e4e...
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.