OpenTechnical

OT-2026-000011506

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, supply line pressure sensor, vented 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-2026-000011506) never changes.

Identity and time

Publication numberOT-2026-000011506 · never reused
Internal UUID01a0ae6c-88ff-7668-8a85-3488634540cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011506
StatusPUBLIC

Content hashes

Canonical text8f839c41be33a7086453a78bbdfa3ce8908244e3cdfe2aaa8fe99fdb37a93c64
Markdown06c74679b9ee55a9761341246b47e5471a281cd7b7774c3845f938bc37c4c0f3
PDF
Publication page8163e0c18a27802db0383fd7b9a83e81777530b9047c644a9e14866bde0a2a5b
Manifest87e1244a8743a632a26c3e1f7f50fc7b4ace4886207a1d818ef23547976b27ed

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
Signature2HvCbQUvUJ4S0TN8Sdi7n8rebh5y98GFMFBSkk0+H+Et/Fp0wsjEPs0ZPAM1+Er4kNjL9jQP/hMJNu2g9NHkBg==
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

2026-09-17T12:13:17.220235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011506
observed 8163e0c18a27802db0383fd7b9a83e81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:17.200984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011506/manifest.json
observed 87e1244a8743a632a26c3e1f7f50fc7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:17.181795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011506/publication.md
observed 06c74679b9ee55a9761341246b47e547...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:17.163433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011506/publication.txt
observed 8f839c41be33a7086453a78bbdfa3ce8...
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.