OpenTechnical

OT-2026-000103815

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, pulsed blow-off after set-down

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-2026-000103815) never changes.

Identity and time

Publication numberOT-2026-000103815 · never reused
Internal UUID01a0aea4-e463-7c34-873b-2e53944d5090 · 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-2026-000103815
StatusPUBLIC

Content hashes

Canonical text337de396535f847f940fc16aeefcbeaa9cb326f9f194ae882add0a929c1e08c8
Markdown0b3b09cd88c51bfc715855c531c409fe6fba522248d9331b702c12b4272cdf15
PDF
Publication page6d71b66d94b32749caec1e2fa957d1b49330f434cfa2537d203b6edb6da844ce
Manifest2d6a527a1b41e5a134c6243b8a2b5d1a796c820b465e05fad748598ed7d84233

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
SignatureI6kq9Cokd8lfb8xcFTEnlV31oUAr1QkOI27Dx4PQ6lzNhuudS3prFrgZ+Bh7chMUwW4bvzxkzvFPqlrRZIyGCA==
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

2026-09-17T09:22:46.304756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103815
observed 6d71b66d94b32749caec1e2fa957d1b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:46.288913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103815/manifest.json
observed 2d6a527a1b41e5a134c6243b8a2b5d1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:46.271243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103815/publication.md
observed 0b3b09cd88c51bfc715855c531c409fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:46.256059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103815/publication.txt
observed 337de396535f847f940fc16aeefcbeaa...
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.