OpenTechnical

OT-2026-000079494

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000079494) never changes.

Identity and time

Publication numberOT-2026-000079494 · never reused
Internal UUID01a0ae96-0b91-74f5-a14f-ac8f97d8c884 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079494
StatusPUBLIC

Content hashes

Canonical textbf3844d78fc9926dc9aceeb0b25e304158b41647d7211b238a18bf52c58accfd
Markdown8dc90c525e5e3ceeb66eeff345f3436840c58a7f96e3fc05caa7ea9fb4fa68c1
PDF
Publication page3e55a12c8bf01667244eecd1b8eb2ae00b49257d8299d50d91cdeb860d750a61
Manifest88a98d48f2460c598b4632c3b1379cd80caa783b5c3ae55eaddb9d9c650c0286

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
SignatureQGvdE7xUNBxESovfc9P1QhfqRC+QeL9IiJnKs1bgNigAZk0Sw8OIapXQ4ZNrwOc8Ic41ALqfw/mGrqll0bH9CQ==
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

2026-09-17T10:05:07.107930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079494
observed 3e55a12c8bf01667244eecd1b8eb2ae0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:07.089309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079494/manifest.json
observed 88a98d48f2460c598b4632c3b1379cd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:07.070806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079494/publication.md
observed 8dc90c525e5e3ceeb66eeff345f34368...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:07.052694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079494/publication.txt
observed bf3844d78fc9926dc9aceeb0b25e3041...
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.