OpenTechnical

OT-2026-000053581

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, vented before 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-2026-000053581) never changes.

Identity and time

Publication numberOT-2026-000053581 · never reused
Internal UUID01a0ae85-0a93-7cf0-9b4d-a0fa46d024ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053581
StatusPUBLIC

Content hashes

Canonical text9543470efb8183a1889da7935cf5db5fdbeeffc5b574a85d9504e99dbbd77b05
Markdown6704e1ffa45a69cc4f0d8221755a8fa97bcca72930de28f989e7b8681df8477d
PDF
Publication page1b48c2f0e7df6933c8e025df5687e03c34dbd54e220c874d3e91e5ed648f938b
Manifest0a8f96852b32bf314b0b36b2ddfbe5656eb36513f978dc8c7bffb7e43d5e5c40

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
SignatureEz0U+a+l33GDea5+DPzdkR0EsktDh2hnuj7tbFU3ue64+/MNtWgYHz/8ctFgyS4doJlDbShKySbusGNugS/+DQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:26.865027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053581
observed 1b48c2f0e7df6933c8e025df5687e03c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:26.846719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053581/manifest.json
observed 0a8f96852b32bf314b0b36b2ddfbe565...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:26.826044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053581/publication.md
observed 6704e1ffa45a69cc4f0d8221755a8fa9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:26.806763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053581/publication.txt
observed 9543470efb8183a1889da7935cf5db5f...
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.