OpenTechnical

OT-2026-000016928

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000016928) never changes.

Identity and time

Publication numberOT-2026-000016928 · never reused
Internal UUID01a0ae6e-591a-7e89-bac4-84233cee1cd2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016928
StatusPUBLIC

Content hashes

Canonical texte68c7afb47a9a85448fab1f38821af25ff6551840a4deb568b65f023e5a2e8f7
Markdown9ab1304787ae31ab6f0a3a51ad09a075053b52330326746e96cd751007395ec2
PDF
Publication page35b4539160b84d4f7ff0940fafc801156a289cc038968b164080184b8c8173f7
Manifest212e8116ef06e7a26f4882359c73340399517b454daaead3e5df2c9fa516f484

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
SignaturemU+NnLajQc9w+nUsb9Q757RKXJV9/1mNi3QwLw8/4tDPYLGPBKtprN8i32zoHGG2O2RjWh9idXdkpU+JtbxzCw==
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

2026-09-17T12:03:12.593553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016928
observed 35b4539160b84d4f7ff0940fafc80115...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:12.576599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016928/manifest.json
observed 212e8116ef06e7a26f4882359c733403...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:12.559463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016928/publication.md
observed 9ab1304787ae31ab6f0a3a51ad09a075...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:12.542126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016928/publication.txt
observed e68c7afb47a9a85448fab1f38821af25...
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.