OpenTechnical

OT-2026-000056868

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, sustained blow-off 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-2026-000056868) never changes.

Identity and time

Publication numberOT-2026-000056868 · never reused
Internal UUID01a0ae87-7af8-7098-b67c-ec6577646b9a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056868
StatusPUBLIC

Content hashes

Canonical textb55af97d97588a81609ab4c15e92643b4a1e2f61870cc0fa1ca4256a0eb3a747
Markdown6368e10ef370480e5d22256ecf93bf319f9cdc1e3d54f8b2690d0752d85577ae
PDF
Publication page78c16b73836f4ba5810ce29d461a1c2ca4c9e68f900ad51622dbe023813e2d25
Manifest6309fee7b63a1c1e1f9af8e5c518e98cfd52e43f121ce475b89625044bfe0e5e

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
SignaturewddcAmTKYOBT3AbE5tDU1W8GBkoLCWlfg8UU0uFjhiCGXR3Wfwoexj33kpSj0s3cfIAUeiJMPrtuH5lVIwYaAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:23.740361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056868
observed 78c16b73836f4ba5810ce29d461a1c2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:23.721637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056868/manifest.json
observed 6309fee7b63a1c1e1f9af8e5c518e98c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:23.703351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056868/publication.md
observed 6368e10ef370480e5d22256ecf93bf31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:23.670316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056868/publication.txt
observed b55af97d97588a81609ab4c15e92643b...
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.