OpenTechnical

OT-2026-000061053

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000061053) never changes.

Identity and time

Publication numberOT-2026-000061053 · never reused
Internal UUID01a0ae8b-137d-72f6-b85a-64087225cf27 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061053
StatusPUBLIC

Content hashes

Canonical textba673b22e265f2a023e7005737b24964cefbe974951502bbf48280ec7d70ec36
Markdown7fc0eaacc0c7ddb996543a95ffb7ba84dbb20f0a6c19a58e91945b6c483c508a
PDF
Publication page496fcdda843dbd60e0724b26a31814ac7b807fadf8f0bc1e3ba7610c86e4af1c
Manifest0c4ed78fbabecba7d4cc68df46c1425a2f99e53d77e7ec8d273d9691f7a53564

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
SignatureOkl0ldjghaqa5QY88DGLGBAEApcsNe0XuFdZ7VboFwIlP3ZYyxIyKB3o8xvoNaECishAN3C/mkchFl4Nvj8NCw==
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

2026-09-17T10:42:24.489678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061053
observed 496fcdda843dbd60e0724b26a31814ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:24.472090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061053/manifest.json
observed 0c4ed78fbabecba7d4cc68df46c1425a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:24.454741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061053/publication.md
observed 7fc0eaacc0c7ddb996543a95ffb7ba84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:24.436634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061053/publication.txt
observed ba673b22e265f2a023e7005737b24964...
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.