OpenTechnical

OT-2026-000006640

Publication integrity record

Bellows cup vacuum gripper, two outlet manifold, ejector fed, contact triggered

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-2026-000006640) never changes.

Identity and time

Publication numberOT-2026-000006640 · never reused
Internal UUID01a0a962-57e3-710b-becc-3deb16a5e6ce · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:43:09.670346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006640
StatusPUBLIC

Content hashes

Canonical text5b406226f1ac04b1d06182ee07cfdd5f630050ca402ecddec129c6352fb2f484
Markdown3ccb4286e0611e4c822986398100ab05fb62742a470f716674f5b8adf45ab2d0
PDF
Publication page396f27055d13fcce60c2bb8a5ab315c2340d9e6faebac87d95b5e17578883da7
Manifestf857aeb048401d005dd48882f573c253167311866140c01f696b9c6796bb1a30

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
SignatureHN1erurylhF/oMOLlO7qPtBXcWem+fUrpTgVLKiovC792SzTiL/RgV2eFw6yFlf4SifVCcbs5n6jGEhqTfK1DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:50:22.378164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006640
observed 396f27055d13fcce60c2bb8a5ab315c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:22.241100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006640/manifest.json
observed f857aeb048401d005dd48882f573c253...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:22.228732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006640/publication.md
observed 3ccb4286e0611e4c822986398100ab05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:22.215333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006640/publication.txt
observed 5b406226f1ac04b1d06182ee07cfdd5f...
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.