OpenTechnical

OT-2026-000015695

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000015695) never changes.

Identity and time

Publication numberOT-2026-000015695 · never reused
Internal UUID01a0ae6e-0c4b-7d96-8e89-64728cf77740 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015695
StatusPUBLIC

Content hashes

Canonical text11ec4b7416adbcee4f9470073bbcdfecbe3b8fff5def94f660f59f75ac581ba4
Markdowneaea0855ccdd39c17380a1b45e4861bab88a9a5bf2a741495c4edf4f30d2bb9c
PDF
Publication paged816f7424a9102377747929bc2f818a7202c3cf5790f2a1d10ef1f1d8c571882
Manifest375911cb1f575f38579a9e12238f8efc6105022c25597a5e4bb2ee7522c1fba4

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
SignatureH+hvnod3I+VCwHRY078LZH0NE7lqUx8EnQmgWQIUuik/tcjgjVbNRmng6GIPrh4qkhZZn5F364fNoq/I7sDUCw==
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

2026-09-17T12:04:58.330591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015695
observed d816f7424a9102377747929bc2f818a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:58.314283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015695/manifest.json
observed 375911cb1f575f38579a9e12238f8efc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:58.297800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015695/publication.md
observed eaea0855ccdd39c17380a1b45e4861ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:58.278767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015695/publication.txt
observed 11ec4b7416adbcee4f9470073bbcdfec...
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.