OpenTechnical

OT-2026-000012907

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, single stage ejector, pulsed blow-off before set-down, on a tool changer

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-2026-000012907) never changes.

Identity and time

Publication numberOT-2026-000012907 · never reused
Internal UUID01a0ae6d-5563-7084-809c-2b0223efc36f · 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-2026-000012907
StatusPUBLIC

Content hashes

Canonical text85cd372bd89fae6dfa078a9872e6df046374ee42db17a787f183fd0801f5c7c3
Markdown861d96771b859816f0b12a75f7a182f39917d4b743b53537c8b8d8dad3e1aec4
PDF
Publication page1d76e6d844e3a45d1299d6d82a0de9feed4f725511e0dc988c120a591851beb6
Manifesta4fa50bba298eb90b995ec404be90adfd54b91672e76f1da285d6df320277c8c

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
SignaturewVgfo2rjCNVsWfyk3yXGqLRG28iadVdaCCfKEZqKKYnlqaAsoN/TdE6vlhG1Kl7nNHzESILdYjiGVIvGHvH5Bw==
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

2026-09-17T12:10:41.899376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012907
observed 1d76e6d844e3a45d1299d6d82a0de9fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:41.880236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012907/manifest.json
observed a4fa50bba298eb90b995ec404be90adf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:41.859253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012907/publication.md
observed 861d96771b859816f0b12a75f7a182f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:41.819835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012907/publication.txt
observed 85cd372bd89fae6dfa078a9872e6df04...
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.