OpenTechnical

OT-2026-000060654

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000060654) never changes.

Identity and time

Publication numberOT-2026-000060654 · never reused
Internal UUID01a0ae8a-b7cd-72b0-904f-955897de0c42 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060654
StatusPUBLIC

Content hashes

Canonical text90ab85ca8878b8c34177d36c563482aa267a6f8bec9cb17fb34af99e5cd64ca9
Markdowna7b5a6728b71ee9303a338f3c744ad44b314964987f77aead4545e8ff35b6d48
PDF
Publication page305bf829c9330477803a051daf81c7a456549910bb3488dfeea7bd6bb7e7a365
Manifest5225f2a3a1993d102fb021ccd53f906c9e5594077fa8be00725b87f35c0ad57e

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
SignaturecohVrYEbwYT7r5h3+Xso7Av4gMMxbM+0dv00GGGdxChhFcSOz0cuV96wF74v1emNPe3R/a0ps5eHFPfI1xXcAw==
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...

Independent retrieval

2026-09-17T10:43:17.442672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060654
observed 305bf829c9330477803a051daf81c7a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:17.426026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060654/manifest.json
observed 5225f2a3a1993d102fb021ccd53f906c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:17.408795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060654/publication.md
observed a7b5a6728b71ee9303a338f3c744ad44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:17.391783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060654/publication.txt
observed 90ab85ca8878b8c34177d36c563482aa...
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.