OpenTechnical

OT-2026-000045973

Publication integrity record

Single cup vacuum gripper, two stage ejector, 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-2026-000045973) never changes.

Identity and time

Publication numberOT-2026-000045973 · never reused
Internal UUID01a0ae7d-8f89-7426-9491-2cf0222cc4f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045973
StatusPUBLIC

Content hashes

Canonical text4ca60957b9b44def87db5c51896cca81a0d9cda728e14d3586e9a4a29f23f74b
Markdownc7fdcbedb62df5823a11f0802b96922f68fab6b3339be437a7b221beae7354be
PDF
Publication page7549ba1e26af1ca05cc5b64c0bb32712db1d427e91ec34cc4596f414d1c9a5cb
Manifest42561cffbf4be9061deb9e7d6bf35e4642571b7f603106e801e24670a4387f51

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
SignatureDtM2bW6z3x5UKQF495BTBVHUk8mPmHzIIboQb8zKHC7qhRtvTwfQ1ZQiEidgNQs8UqDwn/1c8S8wc8eVgcSCBQ==
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

2026-09-17T11:09:57.873988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045973
observed 7549ba1e26af1ca05cc5b64c0bb32712...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:57.855255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045973/manifest.json
observed 42561cffbf4be9061deb9e7d6bf35e46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:57.837292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045973/publication.md
observed c7fdcbedb62df5823a11f0802b96922f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:57.816918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045973/publication.txt
observed 4ca60957b9b44def87db5c51896cca81...
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.