OpenTechnical

OT-2026-000031092

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, sustained 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-2026-000031092) never changes.

Identity and time

Publication numberOT-2026-000031092 · never reused
Internal UUID01a0ae74-3fb8-7dc1-92c8-171512315895 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031092
StatusPUBLIC

Content hashes

Canonical text6768dd6cc91ea5e86ae3aa737f5fe844eed9c003b4174a55ed0488a09d620bcf
Markdown7f6048217eba794d0c3931d8f224d26fd9633c6c5c533d9303c75754873d449a
PDF
Publication page12e714c7e3073bf5e2139787571db689dbe9b890a5fe4e2ecba60a1a86cbaceb
Manifest3b0bbcb6a5e7aa1c63f5ce6a7a4ad7cf26b823f6d9e55ffc1f561e8b9257173c

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
SignaturezDyaNvz6VDHjjo29JdGLlTAR3WTrAQoTrjaIVEc/aFbY1UXnAwu1zzrsIOjFODa1S4lgRTZkushdfMPFkI4TBg==
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

2026-09-17T11:40:18.969389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031092
observed 12e714c7e3073bf5e2139787571db689...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:18.942022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031092/manifest.json
observed 3b0bbcb6a5e7aa1c63f5ce6a7a4ad7cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:18.921229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031092/publication.md
observed 7f6048217eba794d0c3931d8f224d26f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:18.901299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031092/publication.txt
observed 6768dd6cc91ea5e86ae3aa737f5fe844...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:40.965830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031092
observed 12e714c7e3073bf5e2139787571db689...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:40.945413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031092/manifest.json
observed 3b0bbcb6a5e7aa1c63f5ce6a7a4ad7cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:40.927522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031092/publication.md
observed 7f6048217eba794d0c3931d8f224d26f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:40.910476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031092/publication.txt
observed 6768dd6cc91ea5e86ae3aa737f5fe844...
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.