OpenTechnical

OT-2026-000053373

Publication integrity record

Single cup vacuum gripper, pump fed, supply line pressure sensor, vented 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-2026-000053373) never changes.

Identity and time

Publication numberOT-2026-000053373 · never reused
Internal UUID01a0ae85-0a8f-7c38-9053-186b524afea6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053373
StatusPUBLIC

Content hashes

Canonical text984f215a52733d4019d4b288b606e4b6cd54171e931b474ae62fd3387a25af7c
Markdown5c0f7de91fbc322235967c8864102eecc9084fa4b1bf19d0b0c238225d537571
PDF
Publication page30d53f3b247a8b372b4bf18ce2a8635085ddbfc16ebadaa7bfe16cfca50c60a2
Manifestf08029fb60e15aab2cf914964790e0fb65502fb8faa44b0c60ff50da63380098

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
Signature+pOTjtvFnCRAWHZh36L5jUmc2Rf1NoxTMjv7z5F5wCOzyfArzmEA+/QLx0jylFwz8PVeRi5x9I8jVccWctmABQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:05.519444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053373
observed 30d53f3b247a8b372b4bf18ce2a86350...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:05.502332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053373/manifest.json
observed f08029fb60e15aab2cf914964790e0fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:05.484357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053373/publication.md
observed 5c0f7de91fbc322235967c8864102eec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:05.467117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053373/publication.txt
observed 984f215a52733d4019d4b288b606e4b6...
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.