OpenTechnical

OT-2026-000053909

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single 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-2026-000053909) never changes.

Identity and time

Publication numberOT-2026-000053909 · never reused
Internal UUID01a0ae85-b3a6-79e7-8f12-e79415132c5d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053909
StatusPUBLIC

Content hashes

Canonical text2c5b817143b38fc795577789c70f7074731e00365745287117cb91a12c86da78
Markdown17e26f1caaa978b57b1bafb39bd3ce94b7cd23b45079032a6e59ed9b284fe5bd
PDF
Publication pagefd38654a12a0efbc1438cecf8f33bdbc9f43b8a836e3253e8aee8a90587da8f7
Manifest73f4e3405ddda9a2671e8df41342e28ccc5343c3f5d03809ea043768817ffd02

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
SignatureoYQO+Z2rPgq301hwKfnzyzhAHIkkHP3CkNEe9kYvldUMDTwTKAhdCDYx4yJSC01bYby8GoKvdN1mQIPA5D2wBQ==
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

2026-09-17T10:54:08.559050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053909
observed fd38654a12a0efbc1438cecf8f33bdbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:08.538283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053909/manifest.json
observed 73f4e3405ddda9a2671e8df41342e28c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:08.515605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053909/publication.md
observed 17e26f1caaa978b57b1bafb39bd3ce94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:08.405123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053909/publication.txt
observed 2c5b817143b38fc795577789c70f7074...
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.