OpenTechnical

OT-2026-000043460

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, pulsed blow-off after 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-2026-000043460) never changes.

Identity and time

Publication numberOT-2026-000043460 · never reused
Internal UUID01a0ae7b-92ce-7cb3-b914-f51b09a7f870 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043460
StatusPUBLIC

Content hashes

Canonical text814af73880190f7b0f62cbf2521ec58781d6188bf3eca8d285841acf1f141eb1
Markdown00c22fc0ae33e64421ffd093209763c1258e7a655d8214d509854fd60acd11f6
PDF
Publication page7014f88c31a9b0999c4f6604fc58e6aac5879503056a36c0721b796a88cf54f4
Manifest2d04160f25f7b748b18b21030754f12d065adcd390c29736494850e19385c4eb

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
SignatureioL/luN1SOhQOo0G7I6FxxUN+/NMRAVPvfPDoZrx0qgNvZGzidLl6wpTnRL4MEl1VA2lZRL7LeNCce0yIUmACA==
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

2026-09-17T11:12:48.712355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043460
observed 7014f88c31a9b0999c4f6604fc58e6aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:48.693016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043460/manifest.json
observed 2d04160f25f7b748b18b21030754f12d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:48.675134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043460/publication.md
observed 00c22fc0ae33e64421ffd093209763c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:48.655722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043460/publication.txt
observed 814af73880190f7b0f62cbf2521ec587...
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.