OpenTechnical

OT-2026-000014028

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000014028) never changes.

Identity and time

Publication numberOT-2026-000014028 · never reused
Internal UUID01a0ae6d-8deb-74dc-ac90-c9e5addefd4d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014028
StatusPUBLIC

Content hashes

Canonical text1575fb6314a8c88365e92c23b2495eda1284004d6575bf0edaa27501b43710c6
Markdowna381304512617c5b54880a84247e255abc1bee7b85e1b09476844b81af3720ef
PDF
Publication page6768c1c9ce1648108d02f8b561bdd28c421793cdc82533e36033742f3cb790ce
Manifest8d6af8a80f3f4899c69392a520974c2345338a13fd84e4d5d2138d9a6014abc5

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
SignatureOKfgg10PiaxijLFt6EtWfRR3zPv2x7j/vzyI5n9kV1+O/tnw+azD12uRaqiBBj5UlGr7OTMWEAbZ/ClZJ9WeCw==
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

2026-09-17T12:09:15.480835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014028
observed 6768c1c9ce1648108d02f8b561bdd28c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:15.453200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014028/manifest.json
observed 8d6af8a80f3f4899c69392a520974c23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:15.434072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014028/publication.md
observed a381304512617c5b54880a84247e255a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:15.403920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014028/publication.txt
observed 1575fb6314a8c88365e92c23b2495eda...
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.