OpenTechnical

OT-2026-000078344

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000078344) never changes.

Identity and time

Publication numberOT-2026-000078344 · never reused
Internal UUID01a0ae95-7c27-7055-a9d1-9785ed6fd705 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078344
StatusPUBLIC

Content hashes

Canonical text623c2485d10ec0f9d18acbf8fb7ce93941352e9e78ade6192b909b2b0c346778
Markdown46e8ca48165cbf7eed4376b1068de25465ec8d6be91a526d418a1dca21b40add
PDF
Publication pagee3f478df194fcb96176568a6e759a1a64d08ea1fb67d8ca5f083c418d677df62
Manifestf51f88e052e309f09d34373a4bde482126ccb2b917b53029e6fd768b89fdb33a

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
Signaturehu88FMhLC9qKXYbuMDYk6FsZcC1jbM/OW9+mk1djXGw0EzR86MezhMKQYm3T2IxIzSM6WccNpq/+A936v2jICw==
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

2026-09-17T10:06:18.770083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078344
observed e3f478df194fcb96176568a6e759a1a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:18.752403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078344/manifest.json
observed f51f88e052e309f09d34373a4bde4821...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:18.734129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078344/publication.md
observed 46e8ca48165cbf7eed4376b1068de254...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:18.715615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078344/publication.txt
observed 623c2485d10ec0f9d18acbf8fb7ce939...
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.