OpenTechnical

OT-2026-000027667

Publication integrity record

Four cup vacuum gripper, four zone face, three 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-2026-000027667) never changes.

Identity and time

Publication numberOT-2026-000027667 · never reused
Internal UUID01a0ae72-6999-7b4f-8012-112e76db2357 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027667
StatusPUBLIC

Content hashes

Canonical textad448d6c018ecd871d764bcc364b82564fbe9763f08b7c9d14cb873b25d0d2cd
Markdown8429174a9d9bdce2a1d2d052e7bd8110cbc2a960fb996cdcda290116cd72eef2
PDF
Publication page75f34e1048c975eac32d51c9d738b448234d818f9dd7b809e603fc9756ce2fba
Manifest12601b934e372b95869e31487c1609ea025876655b7a8ff47e8e05c73a5c7192

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
Signatureyv0XYcVbKISNKR/g/je6GX6IHlnEBpHlLkDahkPp5Zz/EYg40NAEnlqPsmk8P7wAncmbyarkDWVSDvn8gaDpAg==
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

2026-09-17T11:43:12.156252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027667
observed 75f34e1048c975eac32d51c9d738b448...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:12.139181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027667/manifest.json
observed 12601b934e372b95869e31487c1609ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:12.121529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027667/publication.md
observed 8429174a9d9bdce2a1d2d052e7bd8110...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:12.097316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027667/publication.txt
observed ad448d6c018ecd871d764bcc364b8256...
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.