OpenTechnical

OT-2026-000078400

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, vented after 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-2026-000078400) never changes.

Identity and time

Publication numberOT-2026-000078400 · never reused
Internal UUID01a0ae95-7c28-7316-a1c6-439fd65bd23b · 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-2026-000078400
StatusPUBLIC

Content hashes

Canonical textea74115e6a034c2b6af8a4c43b3b3409f9bdf270169e7f9ddc141935500211f0
Markdown92f8654b5852d5179daf501c3c08406f86df785bd5f6aade8a8c4035e726d9b7
PDF
Publication pageb7a5dcc1b5a2bb5793b31c684c0ddc536e7ea845ccd79c5ca241d79eb2b76f1e
Manifest743c62c0bd657b7dfed594b8573e712d0c3055dcc016ed159d8373a71a107dd8

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
SignaturexLCDPhgiV7JGSueRY+1xvQGe15v9Sm0Z2/soQaBDN8AhLXDOFv7cxqInvOzLGoDa1rUpCN1/yJTp8F0Nou6CDA==
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

2026-09-17T10:06:23.492346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078400
observed b7a5dcc1b5a2bb5793b31c684c0ddc53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:23.471636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078400/manifest.json
observed 743c62c0bd657b7dfed594b8573e712d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:23.449544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078400/publication.md
observed 92f8654b5852d5179daf501c3c08406f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:23.426687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078400/publication.txt
observed ea74115e6a034c2b6af8a4c43b3b3409...
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.