OpenTechnical

OT-2026-000012805

Publication integrity record

Single cup vacuum gripper, two stage ejector, 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-2026-000012805) never changes.

Identity and time

Publication numberOT-2026-000012805 · never reused
Internal UUID01a0ae6d-5563-774d-bcf4-0c938e79fbb5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012805
StatusPUBLIC

Content hashes

Canonical textc7ba2979aead6d05c7d05c6aaf4dc423ac9a6bf4766b3e85d4fe48f838aa9e3f
Markdown6ec6aef1a3ef54c6ca413a62a40daea8807ed3f7608d769aa92f670af781953c
PDF
Publication page7bdb14113e1b23a3330e92fa44c65f68664e69130429e603d86976dd3a652466
Manifestceef76ac5077ecc45a0c02b64cc95f3025cd20ce0c9f25fa06850a5a2e0f6850

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
SignatureKPseJaLUZWccnku+KIbRLfUlPJlc5AwedqBllQCpKh9LeaTnDO7zPcM7DEHYVhAUgk7ZWib8vp0Q+Y7LUL7CDA==
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

2026-09-17T12:10:32.050734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012805
observed 7bdb14113e1b23a3330e92fa44c65f68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:32.030836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012805/manifest.json
observed ceef76ac5077ecc45a0c02b64cc95f30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:32.010219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012805/publication.md
observed 6ec6aef1a3ef54c6ca413a62a40daea8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:31.991600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012805/publication.txt
observed c7ba2979aead6d05c7d05c6aaf4dc423...
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.