OpenTechnical

OT-2026-000050441

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000050441) never changes.

Identity and time

Publication numberOT-2026-000050441 · never reused
Internal UUID01a0ae82-5c48-7438-971c-fa431b10ca93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050441
StatusPUBLIC

Content hashes

Canonical textfe4df356b88d282c025bd74f239e15db94dc32438c653ab263097ea3674de235
Markdown0080e98baa815897f4e817df255454f3b21ccb05d434bb444f2b0219753056c6
PDF
Publication page0f44033975aae31f438d487659e6164a69e20face9a963a65e859a29ac115ba1
Manifestf1cba47bda01e85c2d5737cb914b876efe23916ee3a06d048bd341a7c0f3d7ac

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
SignatureaISmaD5D0au+ELHJ9QaMmJsMMFQdWpZmk6O4rjLP2OhOV3qXao8Z//g6ibdB14OJY31y3W63vaZv57C3ObRmBw==
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

2026-09-17T11:01:29.312128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050441
observed 0f44033975aae31f438d487659e6164a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:29.294291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050441/manifest.json
observed f1cba47bda01e85c2d5737cb914b876e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:29.278765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050441/publication.md
observed 0080e98baa815897f4e817df255454f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:29.263010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050441/publication.txt
observed fe4df356b88d282c025bd74f239e15db...
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.