OpenTechnical

OT-2026-000056384

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000056384) never changes.

Identity and time

Publication numberOT-2026-000056384 · never reused
Internal UUID01a0ae87-4bd2-7a6a-a8c7-5f9cb91ce8e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056384
StatusPUBLIC

Content hashes

Canonical texte2b324b81a72cae9ed2fc1e644b3397e20fd29fefa2bb0bde66d3bea3d3e844d
Markdown2a3abe88a564235da6c3136b771240dfa05b025b5c936ceab3526396fc74295a
PDF
Publication paged5284e5a8332b4c06fda2cbcd449f219c865fc4b0993905b11ccff7d43eb72c8
Manifest30d4199c4d592a61bb998968bda6f6bc930405319d61960916606e27e21318b4

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
SignaturebtrHWB9/orqVbplF79HKwIyBZ/r8naiDKno4MAgzWnfQ9WQXFTMlqImc2rD7R4anjCTrg2WB4bVR2gkVUvJxAw==
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

2026-09-17T10:50:54.481927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056384
observed d5284e5a8332b4c06fda2cbcd449f219...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:54.463078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056384/manifest.json
observed 30d4199c4d592a61bb998968bda6f6bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:54.446171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056384/publication.md
observed 2a3abe88a564235da6c3136b771240df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:54.427137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056384/publication.txt
observed e2b324b81a72cae9ed2fc1e644b3397e...
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.