OpenTechnical

OT-2026-000012115

Publication integrity record

Three cup vacuum gripper, three zone face, single 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-2026-000012115) never changes.

Identity and time

Publication numberOT-2026-000012115 · never reused
Internal UUID01a0ae6d-39f4-73bb-b062-0b1779905ea1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012115
StatusPUBLIC

Content hashes

Canonical text8ec24e4d373dbfec067b8beaa632f9a4044b902804750e3030c4f091cdd9ff57
Markdown4ab39e0e2e8ecee896e25629286c75cd9ac0dc0f3b27549881e3b77d7e8bad88
PDF
Publication pagedab9b3a5ea521a91da3e68e75982f7faf4d316aefef201de894f1dd1965d748a
Manifest0dc69c44f35ce27bf2466fda6754f63f74d3a9a14036f68df5e91b40cf3e4e86

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
SignatureJ+4PQWitzbBpKhW1ZxFjpKCGRAPoZP+gpETmklVBuXjU3UQmtH60Ig2aYNnt3KlfmlXm134566oiZMqfos2KCg==
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

2026-09-17T12:10:59.749659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012115
observed dab9b3a5ea521a91da3e68e75982f7fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:59.728594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012115/manifest.json
observed 0dc69c44f35ce27bf2466fda6754f63f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:59.709959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012115/publication.md
observed 4ab39e0e2e8ecee896e25629286c75cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:59.689944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012115/publication.txt
observed 8ec24e4d373dbfec067b8beaa632f9a4...
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.