OpenTechnical

OT-2026-000104064

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000104064) never changes.

Identity and time

Publication numberOT-2026-000104064 · never reused
Internal UUID01a0aea5-341e-7ef4-b09a-f53df2469494 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104064
StatusPUBLIC

Content hashes

Canonical textad1523bfd9bcde71d041aa6a063eaf3d269be9a7164261b4fbf44182a1edf28f
Markdown3147615d82e4cd8685be15f31eb1cee65c13695ea15b515c23a4964992baa394
PDF
Publication page2786376f5fe7b75b901b74dbe8656f544ca9dfb761444bc01861f692a2a215e9
Manifest1d76fc727f507a05cbb6a960af123f308ca220de47fa25dc4468d056dfabfe9b

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
SignatureUC+qTBL7RwZpW4sW1qFM6YCaG/LLjByZBXnr0te3Nk3rbI6s87q9G2E56jcP/RjxFKq0pzt1zZYwPmMcbwc3Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:07.942665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104064
observed 2786376f5fe7b75b901b74dbe8656f54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:07.924287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104064/manifest.json
observed 1d76fc727f507a05cbb6a960af123f30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:07.905675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104064/publication.md
observed 3147615d82e4cd8685be15f31eb1cee6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:07.887204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104064/publication.txt
observed ad1523bfd9bcde71d041aa6a063eaf3d...
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.