OpenTechnical

OT-2026-000012237

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three 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-2026-000012237) never changes.

Identity and time

Publication numberOT-2026-000012237 · never reused
Internal UUID01a0ae6d-39f5-7a0d-8fae-152c859f8f7a · 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-2026-000012237
StatusPUBLIC

Content hashes

Canonical textc94239e5384ffd614e3f861bb1e5d889177ef58d6f423ffaef8b4264d3a21834
Markdown56b31c1ff74241edfec26bdb0766254e546326308e0f14234368e674b6ac2f7a
PDF
Publication pagee57747c8a00f0dee259f96e10b3cc7fc89ba9d6ddf604aa892bc721e28837959
Manifestc0104b6807390731eff073bdef5e7340d5657ceca77dd94bea34de58e621a76c

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
SignatureNvtYr5mWo9cTB/BXyv62UhKtq4zAYwhrWf5Z4pVew3r3+cv8tAP7rt0phngJhgS5de+r57x8Ec/K7fKrQVbwCg==
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

2026-09-17T12:11:09.775495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012237
observed e57747c8a00f0dee259f96e10b3cc7fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:09.758501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012237/manifest.json
observed c0104b6807390731eff073bdef5e7340...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:09.740102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012237/publication.md
observed 56b31c1ff74241edfec26bdb0766254e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:09.722971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012237/publication.txt
observed c94239e5384ffd614e3f861bb1e5d889...
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.