OpenTechnical

OT-2026-000058723

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000058723) never changes.

Identity and time

Publication numberOT-2026-000058723 · never reused
Internal UUID01a0ae88-f39e-7571-8918-6892da479532 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058723
StatusPUBLIC

Content hashes

Canonical text3a42e34a9e44e998cd0822251907f1c9f30e2512d69f98887013a7f742088b46
Markdownc11c89051fa6cbc6efb4657e6d83a50c05739651350129db7f6dad9f328b6677
PDF
Publication page46e6e84f1738c7b07a726068063756f38f34a10254749bc2ad23ebf626a7f032
Manifest7353d41ab7d534dc4e87c65d3b558c4f170fe3cacee63e4a14cab1941e920ed9

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
SignaturecENU5Ek0SqDL4tWfz4E5JPDm+2hfwQ80t4v9edYrlwPzauQxng5z4mRsB316bE3T4rO1WWrNW4WwMsaEx/GpBw==
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...

Independent retrieval

2026-09-17T10:47:15.285527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058723
observed 46e6e84f1738c7b07a726068063756f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:15.269463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058723/manifest.json
observed 7353d41ab7d534dc4e87c65d3b558c4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:15.252577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058723/publication.md
observed c11c89051fa6cbc6efb4657e6d83a50c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:15.236837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058723/publication.txt
observed 3a42e34a9e44e998cd0822251907f1c9...
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.