OpenTechnical

OT-2026-000048381

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000048381) never changes.

Identity and time

Publication numberOT-2026-000048381 · never reused
Internal UUID01a0ae80-4de4-78e6-94c3-e4790290ca99 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048381
StatusPUBLIC

Content hashes

Canonical text1db1fe4a6facb5628f225c080be78d2e549d2314768ba6be4c9b8d8a3df2d4d2
Markdownc64dc0dfd13472f6a9a1e7f7120b6e16e321d05541bda02640139f31e079a8e4
PDF
Publication page9d489cfb401ad962da0ba31cd5d2b2c9b792da546a7c26e01042022267e95a49
Manifeste0b54fa3126b57b1746bfb0a4f82bb20154ffb3b84c3d13535cf6ce8d95eb490

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
SignaturecQ5S5A49CtZLlLWzqHZJWK82/PgCwJ+qf47UXOYjHkCaVcQkxlaF9BTwQ93P0QDeMZ7QHIQF5fWN8LjoU6zaDA==
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

2026-09-17T11:05:00.607250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048381
observed 9d489cfb401ad962da0ba31cd5d2b2c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:00.588181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048381/manifest.json
observed e0b54fa3126b57b1746bfb0a4f82bb20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:00.570353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048381/publication.md
observed c64dc0dfd13472f6a9a1e7f7120b6e16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:00.550590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048381/publication.txt
observed 1db1fe4a6facb5628f225c080be78d2e...
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.