OpenTechnical

OT-2026-000103650

Publication integrity record

Four bellows cup vacuum gripper, four zone face, 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-2026-000103650) never changes.

Identity and time

Publication numberOT-2026-000103650 · never reused
Internal UUID01a0aea4-e462-799c-b52c-10a3e83f4d0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103650
StatusPUBLIC

Content hashes

Canonical text67c0bcba176bc66df0047d3181e50da41e28ffb29d48168532a265723a6b2506
Markdowne82bebc951a135a172b09cc4db74b9d50b2361b10eff27caa9524c0145d860df
PDF
Publication page70db7b58a44cc7ba0a5a5d0933649182f2bf7f5a035cd9c1bd8553ca485f5cb5
Manifest49f81c149c53392ca0eacdde08f48211bfe26d1c9d0eb4a6565d6330cb544389

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
SignatureSGDbzfVipjYVLzOVmpK0IlmSlpml9IjV5KEG2Z3sts6Dl8IHq+llqDWyRVTlWCT5j0LGD/1tiyDjtgVp5YY7Cw==
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

2026-09-17T09:22:26.936559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103650
observed 70db7b58a44cc7ba0a5a5d0933649182...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:26.920883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103650/manifest.json
observed 49f81c149c53392ca0eacdde08f48211...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:26.905024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103650/publication.md
observed e82bebc951a135a172b09cc4db74b9d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:26.888696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103650/publication.txt
observed 67c0bcba176bc66df0047d3181e50da4...
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.