OpenTechnical

OT-2026-000052017

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, vented before set-down

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-2026-000052017) never changes.

Identity and time

Publication numberOT-2026-000052017 · never reused
Internal UUID01a0ae83-e78e-73ee-a4eb-e7198d857266 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052017
StatusPUBLIC

Content hashes

Canonical textc146925af3e42b57517822c9642061aaa1196e45408d0d958fefae418de80c0f
Markdown73dde4f1eced8ebacf5efdb6e584ff0f593a4f7c8e88b7363b7135fb074bd9d0
PDF
Publication page8d8b8cc7476588e72257ba94b75fe8d542bf3416e4c87eb030402b8fb4f7b633
Manifestb6decd5b4c080bc287f360a912d922a1aa994a2403e1b81c25f06fdc4c2671e0

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
Signature9YEeACl5iskY9wH7pXm4DAz/2gsIJXbUf930I6MM5JNGtK/WsCLyVwzmYvO/g0g7/CAob8UEELV7w0p5aHqeDQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:31.657669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052017
observed 8d8b8cc7476588e72257ba94b75fe8d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:31.639724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052017/manifest.json
observed b6decd5b4c080bc287f360a912d922a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:31.621337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052017/publication.md
observed 73dde4f1eced8ebacf5efdb6e584ff0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:31.601181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052017/publication.txt
observed c146925af3e42b57517822c9642061aa...
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.