OpenTechnical

OT-2026-000041661

Publication integrity record

Single cup vacuum gripper, pump 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-2026-000041661) never changes.

Identity and time

Publication numberOT-2026-000041661 · never reused
Internal UUID01a0ae79-e8a0-724d-b21c-add3477819ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041661
StatusPUBLIC

Content hashes

Canonical text71051a9f876f17ea6b667d207b87aa0278fd55cf5fc39af7c8491793db094ed9
Markdownda680bfb88980153f838bae8b1d036edeb5de547168282ec5f35d949452152f5
PDF
Publication pageadfb45ec59c90523a13f1d7e63d8fc1f8bc1e71f19a06f67503d5c9cdcd1728c
Manifest052071fde8692ccfc704367e811f0638c7c565c1293863bc05365381cab6540e

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
SignaturelVt0myYLlFqSMmlmEil8vo6rPkLC5jgFExCBo+gcslVBG+Kgoj3CxZmtqB/ViCjI0j5zMLbrCvCtayZZEESLCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:16:27.972828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041661
observed adfb45ec59c90523a13f1d7e63d8fc1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:27.953634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041661/manifest.json
observed 052071fde8692ccfc704367e811f0638...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:27.937413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041661/publication.md
observed da680bfb88980153f838bae8b1d036ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:27.921724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041661/publication.txt
observed 71051a9f876f17ea6b667d207b87aa02...
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.