OpenTechnical

OT-2026-000010841

Publication integrity record

Single cup vacuum gripper, pump fed, sustained blow-off before 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-2026-000010841) never changes.

Identity and time

Publication numberOT-2026-000010841 · never reused
Internal UUID01a0ae6c-540d-7eda-bdaa-121c7be9ed7e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010841
StatusPUBLIC

Content hashes

Canonical text4e5d8064bafdaa0f248d94fb9f9caa734d06b9c77bd99a2c74a9455e15c2eca5
Markdown2f3c61d7e7afa203b316269ede34b5e8103b862dff8965a8f999522ac4a24112
PDF
Publication page8146a3af0f22df757154c1017f56b1ce0570192ce8459bcaa511133ddac0f66d
Manifestba6f9d1242fa99794cf994442982d4fd018ee3e4f32b4757fb31f698c7d9f41b

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
Signature1ht43BFZSJLPS1hwG4RmKW8G7SpJcHlzixkt7glY3x2Q0+3XATH9Tl3HDdYU7+yywx3tQzGfYmk7S9iv60xZCQ==
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

2026-09-17T12:13:35.836988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010841
observed 8146a3af0f22df757154c1017f56b1ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:35.818081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010841/manifest.json
observed ba6f9d1242fa99794cf994442982d4fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:35.795683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010841/publication.md
observed 2f3c61d7e7afa203b316269ede34b5e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:35.771198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010841/publication.txt
observed 4e5d8064bafdaa0f248d94fb9f9caa73...
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.