OpenTechnical

OT-2026-000027255

Publication integrity record

Three cup vacuum gripper, three 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-2026-000027255) never changes.

Identity and time

Publication numberOT-2026-000027255 · never reused
Internal UUID01a0ae72-6996-7762-946d-c8d869abd95c · 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-2026-000027255
StatusPUBLIC

Content hashes

Canonical text91c9aa387ffa8af9a268602e0f5e3a88c9d40d9554139fe22e8dbdfc59addc25
Markdowna9e327ed09eaab67081ea6f9c6b99f1ef87d47ffb96cfa198fc16e77fc8e82c2
PDF
Publication pageeba159abebbf1bd084714d147ba3abe68f07251eec0448fbe3a53f383899d9fe
Manifest14b80a2f7303c7cae82a65f14564b9e06c3468293ea8c241fdf582ac3be70983

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
SignaturekisTXgBIESwmt0nNfefheiE1FgPSq4ffBC7O2YH7RT068/KU4nI8MsaLLOWTi8drfLd3efXd3NHQovyzV5rYBA==
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

2026-09-17T11:42:37.536101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027255
observed eba159abebbf1bd084714d147ba3abe6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:37.521283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027255/manifest.json
observed 14b80a2f7303c7cae82a65f14564b9e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:37.506439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027255/publication.md
observed a9e327ed09eaab67081ea6f9c6b99f1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:37.490788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027255/publication.txt
observed 91c9aa387ffa8af9a268602e0f5e3a88...
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.