OpenTechnical

OT-2026-000103814

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, 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-2026-000103814) never changes.

Identity and time

Publication numberOT-2026-000103814 · never reused
Internal UUID01a0aea4-e463-7c56-91f4-fae596afe6bb · 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-2026-000103814
StatusPUBLIC

Content hashes

Canonical text28ab0c1008ab603b3b934f30f51add7a88cf941931562d83fa069c7526cc0448
Markdown67bde5c9d355c6b49efe839f3a2aed0b804774a2f650ccc80001d107b6f4244c
PDF
Publication pagee5057dee2c074c349c88e4dfc13f1202f5ef85752e16bb5e20a1350386d5612f
Manifest45dca63bc9295bb2f13b6b2fae7db0afd9d2f9c0c4aa573a19a8861593650a9b

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
SignaturedwkJDeZIHRQafrk0MxHuewlIm9TeH5NQ/KHkjI8FhCVaa+Gxlkm1JYhesivQ84V+D/YZ767ee3QWgn6+rr5GCA==
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

2026-09-17T09:22:46.236414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103814
observed e5057dee2c074c349c88e4dfc13f1202...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:46.221168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103814/manifest.json
observed 45dca63bc9295bb2f13b6b2fae7db0af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:46.204799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103814/publication.md
observed 67bde5c9d355c6b49efe839f3a2aed0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:46.188210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103814/publication.txt
observed 28ab0c1008ab603b3b934f30f51add7a...
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.