OpenTechnical

OT-2026-000051593

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, vented before 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-2026-000051593) never changes.

Identity and time

Publication numberOT-2026-000051593 · never reused
Internal UUID01a0ae83-7c81-711f-aa39-38e2d7cdb0ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051593
StatusPUBLIC

Content hashes

Canonical textcc9bdc5d4c627988854a5303f8a34f9589bf893b1c2e60b7283e4c695a31d35a
Markdown80430b42683127b919b23e50e59f94e726c6319086448e9298d941f870010bc2
PDF
Publication paged88bcce5c84591b1049c55a2c41121dc73d161b722b3208e0d460908d232ec60
Manifest04d8b616b08736c404dab5ccd0a6a38bffa67eaa152941a608cfb4b18ef6a421

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
SignatureDBysc9LoKDpeyPqZT/GOPHlTt44M1YknXt8yddccVLitijFLlXEwZIMNiUx3LLyk/u1RZQcFevE/PMzShNgdDA==
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

2026-09-17T10:58:26.402987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051593
observed d88bcce5c84591b1049c55a2c41121dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:26.386641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051593/manifest.json
observed 04d8b616b08736c404dab5ccd0a6a38b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:26.370331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051593/publication.md
observed 80430b42683127b919b23e50e59f94e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:26.353392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051593/publication.txt
observed cc9bdc5d4c627988854a5303f8a34f95...
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.