OpenTechnical

OT-2026-000050525

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, vented before set-down

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-2026-000050525) never changes.

Identity and time

Publication numberOT-2026-000050525 · never reused
Internal UUID01a0ae82-5c49-7453-ae0b-136145924b69 · 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-2026-000050525
StatusPUBLIC

Content hashes

Canonical textdc862b187c3b1c83bae0015565b393f6e5a581505c6a2702fe6c620878519bf5
Markdown2b6767cc6d895028405a98ebb2b0376311b5d1766567acf5512c287e6950f477
PDF
Publication page028567dd7d343231bae5c342de2e37807295964f63061c51935b70600b7806b4
Manifest2a764e03f416b8aeb1a0a48e5897f48e1a69fe188280b0ebb1e74503b0f1650a

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
Signature6T0vV7gv96W/Qaz2e8a9aZjVVlJ1qm1ZEgP5FqIu0FLsvF+ClpWcnWqSfZjZIh9N9iZFZPo6Rljt2i+8JYt/Bg==
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

2026-09-17T11:01:37.135039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050525
observed 028567dd7d343231bae5c342de2e3780...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:37.116065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050525/manifest.json
observed 2a764e03f416b8aeb1a0a48e5897f48e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:37.098991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050525/publication.md
observed 2b6767cc6d895028405a98ebb2b03763...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:37.081258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050525/publication.txt
observed dc862b187c3b1c83bae0015565b393f6...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent