OpenTechnical

OT-2026-000053641

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000053641) never changes.

Identity and time

Publication numberOT-2026-000053641 · never reused
Internal UUID01a0ae85-0a95-7687-acff-7b968bece39a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053641
StatusPUBLIC

Content hashes

Canonical text4b2491a07589740d7b5784a75cb6777aae462d6ca5efa0f15396a0bd11ef1f3a
Markdown5926ffa56553a3ff2ca1740913e0440f7b710536718cd0bbfda3c0ba20537173
PDF
Publication pagef2b152c92aab2ca370740b43e50b3b01a2276e3d22145b4265c81419d8efc203
Manifestb181027e442d5a5e73f97e4d6dd2acedc3962c8c7b2fe34529599ed48251b647

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
Signature6MTgBc2f3vBw7nLkE/kEc3eJVxpZVA6GLW9KAsa0jErVvghAPsLQH+yiQHAiRPQIDnHY0J7KKP4K6rshv888CQ==
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

2026-09-17T10:55:31.530543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053641
observed f2b152c92aab2ca370740b43e50b3b01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:31.513506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053641/manifest.json
observed b181027e442d5a5e73f97e4d6dd2aced...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:31.496422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053641/publication.md
observed 5926ffa56553a3ff2ca1740913e0440f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:31.476911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053641/publication.txt
observed 4b2491a07589740d7b5784a75cb6777a...
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.