OpenTechnical

OT-2026-000077616

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, vented after 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-2026-000077616) never changes.

Identity and time

Publication numberOT-2026-000077616 · never reused
Internal UUID01a0ae95-2ece-7b66-a890-06e85c871cee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077616
StatusPUBLIC

Content hashes

Canonical textada954f00fca3c0b49c7aab1439eb99707581af3d63f63bd3367f55ad60ad230
Markdown2f30101e721aaf4fe1f0732a87ecf81a98a07858c393e249f7e45c946caac76e
PDF
Publication pagecbef13d9abe5a33b4b1c1e3a35928152af8107919197dbaf1a48b1e31c6be661
Manifest9dd44ae6f9dac9ed13a265e03159d61d0c680e9543e00f1e3d3eb6d4431833af

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
Signatureu4y35VaeTn5rsbmU1uRPEz5z6AxkB26EfzPantPRysxEj5Bxg4ep2bzqFq5y1O+tAWs6UJYsFwCOo0cZr6tlDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:07:10.696055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077616
observed cbef13d9abe5a33b4b1c1e3a35928152...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:10.677561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077616/manifest.json
observed 9dd44ae6f9dac9ed13a265e03159d61d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:10.658708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077616/publication.md
observed 2f30101e721aaf4fe1f0732a87ecf81a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:10.640366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077616/publication.txt
observed ada954f00fca3c0b49c7aab1439eb997...
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.