OpenTechnical

OT-2026-000069670

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold 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-2026-000069670) never changes.

Identity and time

Publication numberOT-2026-000069670 · never reused
Internal UUID01a0ae90-b52c-7b53-82d9-f66aa165906b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069670
StatusPUBLIC

Content hashes

Canonical textd2cb1eccdd26e2c6479c1bf1a12fba5cbe780ce00817aa0f00d53e16d175faea
Markdown3582100a0befef6d803c7ce2e4600292a36375ddc3fa94a7ba561bb98303152a
PDF
Publication page7d4d49941e55e3c1578295e34b0c3f9a3d6a28ccf5165b96374ec3f91c3c76fd
Manifestc333dd4ece84d5347497abc34c59e52fa996dc1f657149d2abd20fb76ca02bf1

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
Signature9/OphPjIwFVgq/XaBYyMkWodAygYfb5KRxLni7aGzZc+mL8eQDgOlW/SinrZzAFAQD+bZe6ili+ifsCgLKD7Aw==
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

2026-09-17T10:28:20.457313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069670
observed 7d4d49941e55e3c1578295e34b0c3f9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:20.439597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069670/manifest.json
observed c333dd4ece84d5347497abc34c59e52f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:20.422034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069670/publication.md
observed 3582100a0befef6d803c7ce2e4600292...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:20.403954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069670/publication.txt
observed d2cb1eccdd26e2c6479c1bf1a12fba5c...
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.