OpenTechnical

OT-2026-000048348

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000048348) never changes.

Identity and time

Publication numberOT-2026-000048348 · never reused
Internal UUID01a0ae80-4de4-79a3-b0e7-07472223e468 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048348
StatusPUBLIC

Content hashes

Canonical text2ec01b62822406f038f1c721ed00ca70ebd7b9c00cb28533ca2de555998e7887
Markdown4c192643a12cafce8dde4c11ed67e61097ada3c656ab45f020fb3efacccccb0c
PDF
Publication pagedfb30ca72dbd7a93a72226a7f08d777c72fe2b03d3b857c41fa93ea1f69079dc
Manifest9dfb44c28c210264b05fe05d4be40d60f8a27848e7082ebe509a5981ff2af2ab

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
SignatureGUfx1eW+C/qnr30As6oz/3eKPqPQl7KTCNXqRjLhomLI8MMfJtMYzF3YU2DbG4Ih3spWbczpvO1lltXz5aykDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:04:57.713100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048348
observed dfb30ca72dbd7a93a72226a7f08d777c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:57.694422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048348/manifest.json
observed 9dfb44c28c210264b05fe05d4be40d60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:57.675949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048348/publication.md
observed 4c192643a12cafce8dde4c11ed67e610...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:57.652830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048348/publication.txt
observed 2ec01b62822406f038f1c721ed00ca70...
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.