OpenTechnical

OT-2026-000005573

Publication integrity record

Vacuum cup gripper, three outlet manifold, two stage ejector, contact triggered, rubber cups, flat form

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-2026-000005573) never changes.

Identity and time

Publication numberOT-2026-000005573 · never reused
Internal UUID01a0a93d-b456-77b0-b8dd-6ebfa6aeaabd · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:03:08.624801Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005573
StatusPUBLIC

Content hashes

Canonical textb6cce02d1eaf78194a97635a14f71c43b03ab8e73e0baa4a2348827dba8b66e6
Markdown38f8a452a7f55f1a627538debc9a72557b7c63655f5eefe3ae4345d876d47ee5
PDF
Publication page9e36daa5375196d7efb09e7a625561086f79edd528bb99d2c0fb446157cc88a2
Manifest8ae7aca0571de28316e0471812e45b96d9e65048a6a546d32d7bbef7fdf27508

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
SignatureT5cNyn/T8bo3qjLeweeqNzC//t1XcksJwntRcbT8SknX/oAfJ7PGNdOZPbWpia39iGlqjsJsW2nCc7cgyn1dBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:25.207337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005573
observed 9e36daa5375196d7efb09e7a62556108...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:25.193193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005573/manifest.json
observed 8ae7aca0571de28316e0471812e45b96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:25.178808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005573/publication.md
observed 38f8a452a7f55f1a627538debc9a7255...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:25.164707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005573/publication.txt
observed b6cce02d1eaf78194a97635a14f71c43...
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.