OpenTechnical

OT-2026-000086550

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, sustained blow-off 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-2026-000086550) never changes.

Identity and time

Publication numberOT-2026-000086550 · never reused
Internal UUID01a0ae9a-2c98-7eee-a8e3-7be4f2b23e3e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086550
StatusPUBLIC

Content hashes

Canonical text79de82b49fc467b9ace7452296a92ef044cc162ec893de15daa43d5e5886613a
Markdown91429a65cbea18102a06c870bd8a5bf2e88caa2d6c4bd5fb98da3c4acece6e62
PDF
Publication page96382b97256eefa31cdd10ec2880229ad83c043a95789a13cdc275bc1115564a
Manifestbcd8421ad55941c46fd9f8a61d890197e642393f318ed3d889396d6e61402c68

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
SignatureG8g9cU1YDADkwJY83Vr1RIfUv58353+FkE9+11m5FaPfJdkMF/A5twD03AYs9QRYf0tATjyu3r9mu5WUIgolBQ==
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

2026-09-17T09:52:22.753685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086550
observed 96382b97256eefa31cdd10ec2880229a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:22.737170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086550/manifest.json
observed bcd8421ad55941c46fd9f8a61d890197...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:22.718929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086550/publication.md
observed 91429a65cbea18102a06c870bd8a5bf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:22.700738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086550/publication.txt
observed 79de82b49fc467b9ace7452296a92ef0...
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.