OpenTechnical

OT-2026-000103500

Publication integrity record

Three bellows cup vacuum gripper, three zone face, 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-2026-000103500) never changes.

Identity and time

Publication numberOT-2026-000103500 · never reused
Internal UUID01a0aea4-e461-7c4c-bab4-a4f78f36484d · 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-2026-000103500
StatusPUBLIC

Content hashes

Canonical text291cb41e2673c1cffdf16d2f899360e94bef45f9d41daa317fe39d690bd1e00d
Markdown95c2b093bab199cf96d92f926170fce75df34608697ae39ba7a918ba5e13f5f2
PDF
Publication page0151afab2536266497c085ca40a107eda95c854715513d3dbd7ce9c83717c419
Manifest7f1247432a55446c39442129145951ca5dae1ed59b93b9933f20e0d6c3e7f55d

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
SignaturejYX2bqZx95j3kYeS89XJ9scXZCP2qCBsRl4meHZXVWWtchZDjNr1At5vhyeUkyaAFyLEWlNVTDb9m1j7vIBMCw==
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

2026-09-17T09:22:15.995342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103500
observed 0151afab2536266497c085ca40a107ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:15.951912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103500/manifest.json
observed 7f1247432a55446c39442129145951ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:15.935412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103500/publication.md
observed 95c2b093bab199cf96d92f926170fce7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:15.891013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103500/publication.txt
observed 291cb41e2673c1cffdf16d2f899360e9...
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.