OpenTechnical

OT-2026-000043167

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off 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-2026-000043167) never changes.

Identity and time

Publication numberOT-2026-000043167 · never reused
Internal UUID01a0ae7b-327b-7bf9-93ca-853e5e7ba2d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043167
StatusPUBLIC

Content hashes

Canonical text1f65d08a8cca1334886fd06623f97481f02c665c539d3e615e6f7f03724794e8
Markdown0653c52a3517053755bc2488abc2881d9d143a8146e958f9aee0d0e742224c5c
PDF
Publication page83c6d1a1c999e7311cf2759de6880d58e8f30f1d6e9ef258161c67973fdf04f0
Manifestc011b168d6e5c40d17f40927fcfbee03937145d6f40e67fce8d17f60fc31f7a0

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
Signature9XLZuyQNejKLZtWr0H9menKVqjKvH0FXuUeWvZKTnKgLot2CsfZfhY+baniZxcdGRrcRbElGTv5MHOmQBhb0AQ==
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

2026-09-17T11:13:36.752596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043167
observed 83c6d1a1c999e7311cf2759de6880d58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:36.734326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043167/manifest.json
observed c011b168d6e5c40d17f40927fcfbee03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:36.715558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043167/publication.md
observed 0653c52a3517053755bc2488abc2881d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:36.698075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043167/publication.txt
observed 1f65d08a8cca1334886fd06623f97481...
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.